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122022220012 = 22721156596577
BaseRepresentation
bin111000110100100010…
…1110101000011101100
3102122221221100000211221
41301221011311003230
53444400142020022
6132020051353124
711546552520400
oct1615105650354
9378857300757
10122022220012
11478273a8a30
121b794bb27a4
13b678141464
145c97b47100
1532927a6cc7
hex1c691750ec

122022220012 has 36 divisors (see below), whose sum is σ = 270984415464. Its totient is φ = 47541123840.

The previous prime is 122022219997. The next prime is 122022220027. The reversal of 122022220012 is 210022220221.

It is an interprime number because it is at equal distance from previous prime (122022219997) and next prime (122022220027).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28296133 + ... + 28300444.

It is an arithmetic number, because the mean of its divisors is an integer number (7527344874).

Almost surely, 2122022220012 is an apocalyptic number.

It is an amenable number.

122022220012 is an abundant number, since it is smaller than the sum of its proper divisors (148962195452).

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

122022220012 is a wasteful number, since it uses less digits than its factorization.

122022220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56596606 (or 56596597 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122022220012 its reverse (210022220221), we get a palindrome (332044440233).

The spelling of 122022220012 in words is "one hundred twenty-two billion, twenty-two million, two hundred twenty thousand, twelve".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 154 196 308 539 1078 2156 56596577 113193154 226386308 396176039 622562347 792352078 1245124694 1584704156 2490249388 2773232273 4357936429 5546464546 8715872858 11092929092 17431745716 30505555003 61011110006 122022220012