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122122200020212 = 22723199499505777
BaseRepresentation
bin11011110001000111001010…
…010110011111010011110100
3121000101202202002112002210001
4123301013022112133103310
5112001322231201121322
61111422055244241044
734503015650546560
oct3361071226372364
9530352662462701
10122122200020212
1135a03809212937
1211844125840184
13531b0c68b5cc2
142222a6310a6a0
15e1ba2a80b827
hex6f11ca59f4f4

122122200020212 has 48 divisors (see below), whose sum is σ = 254876524358400. Its totient is φ = 50060001987072.

The previous prime is 122122200020063. The next prime is 122122200020213. The reversal of 122122200020212 is 212020002221221.

It is a self number, because there is not a number n which added to its sum of digits gives 122122200020212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122200020213) 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, 8094268 + ... + 17600044.

It is an arithmetic number, because the mean of its divisors is an integer number (5309927590800).

Almost surely, 2122122200020212 is an apocalyptic number.

It is an amenable number.

122122200020212 is an abundant number, since it is smaller than the sum of its proper divisors (132754324338188).

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

122122200020212 is a wasteful number, since it uses less digits than its factorization.

122122200020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9525760 (or 9525758 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122122200020212 its reverse (212020002221221), we get a palindrome (334142202241433).

The spelling of 122122200020212 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, two hundred million, twenty thousand, two hundred twelve".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 19949 39898 79796 139643 279286 458827 558572 917654 1835308 3211789 6423578 9505777 12847156 19011554 38023108 66540439 133080878 218632871 266161756 437265742 874531484 1530430097 3060860194 6121720388 189630745373 379261490746 758522981492 1327415217611 2654830435222 4361507143579 5309660870444 8723014287158 17446028574316 30530550005053 61061100010106 122122200020212