Search a number
-
+
121333211012 = 221329137587297
BaseRepresentation
bin111000100000000000…
…1011101111110000100
3102121011220211202012002
41301000001131332010
53441442300223022
6131423435444432
711523515163656
oct1610001357604
9377156752162
10121333211012
1147503486302
121b6222b6718
13b59847ca20
145c304306d6
153252056092
hex1c4005df84

121333211012 has 48 divisors (see below), whose sum is σ = 238278544560. Its totient is φ = 53674156032.

The previous prime is 121333211003. The next prime is 121333211017. The reversal of 121333211012 is 210112333121.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6687314176 + 114645896836 = 81776^2 + 338594^2 .

It is not an unprimeable number, because it can be changed into a prime (121333211017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87053 + ... + 500244.

It is an arithmetic number, because the mean of its divisors is an integer number (4964136345).

Almost surely, 2121333211012 is an apocalyptic number.

It is an amenable number.

121333211012 is a deficient number, since it is larger than the sum of its proper divisors (116945333548).

121333211012 is a wasteful number, since it uses less digits than its factorization.

121333211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587480 (or 587478 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121333211012 its reverse (210112333121), we get a palindrome (331445544133).

The spelling of 121333211012 in words is "one hundred twenty-one billion, three hundred thirty-three million, two hundred eleven thousand, twelve".

Divisors: 1 2 4 13 26 29 52 58 116 137 274 377 548 754 1508 1781 3562 3973 7124 7946 15892 51649 103298 206596 587297 1174594 2349188 7634861 15269722 17031613 30539444 34063226 68126452 80459689 160919378 221410969 321838756 442821938 885643876 1045975957 2091951914 2333330981 4183903828 4666661962 9333323924 30333302753 60666605506 121333211012