Search a number
-
+
122120120111200 = 25521099313886123
BaseRepresentation
bin11011110001000101001110…
…011000010001000001100000
3121000101120101010210202222221
4123301011032120101001200
5112001304001222024300
61111421113024440424
734502613263611111
oct3361051630210140
9530346333722887
10122120120111200
1135a02941157472
1211843845179114
13531ab54a10b03
142222906bb0208
15e1b957e1231a
hex6f114e611060

122120120111200 has 72 divisors (see below), whose sum is σ = 298152884290968. Its totient is φ = 48843600967680.

The previous prime is 122120120111071. The next prime is 122120120111207. The reversal of 122120120111200 is 2111021021221.

122120120111200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122120120111207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1851339 + ... + 15737461.

It is an arithmetic number, because the mean of its divisors is an integer number (4141012281819).

Almost surely, 2122120120111200 is an apocalyptic number.

122120120111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122120120111200 is an abundant number, since it is smaller than the sum of its proper divisors (176032764179768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122120120111200 is a wasteful number, since it uses less digits than its factorization.

122120120111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13897136 (or 13897123 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122120120111200 its reverse (2111021021221), we get a palindrome (124231141132421).

The spelling of 122120120111200 in words is "one hundred twenty-two trillion, one hundred twenty billion, one hundred twenty million, one hundred eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 10993 21986 43972 54965 87944 109930 175888 219860 274825 351776 439720 549650 879440 1099300 1758880 2198600 4397200 8794400 13886123 27772246 55544492 69430615 111088984 138861230 222177968 277722460 347153075 444355936 555444920 694306150 1110889840 1388612300 2221779680 2777224600 5554449200 11108898400 152650150139 305300300278 610600600556 763250750695 1221201201112 1526501501390 2442402402224 3053003002780 3816253753475 4884804804448 6106006005560 7632507506950 12212012011120 15265015013900 24424024022240 30530030027800 61060060055600 122120120111200