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122012111012 = 221111177248099
BaseRepresentation
bin111000110100001111…
…1010001000010100100
3102122221020022102220112
41301220133101002210
53444340100023022
6132015050552152
711546400555161
oct1615037210244
9378836272815
10122012111012
1147821723990
121b791738658
13b6760120bc
145c96675068
15329195b8e2
hex1c687d10a4

122012111012 has 24 divisors (see below), whose sum is σ = 232953991200. Its totient is φ = 55454864960.

The previous prime is 122012111009. The next prime is 122012111071. The reversal of 122012111012 is 210111210221.

It is a super-2 number, since 2×1220121110122 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367739 + ... + 615837.

It is an arithmetic number, because the mean of its divisors is an integer number (9706416300).

Almost surely, 2122012111012 is an apocalyptic number.

It is an amenable number.

122012111012 is a deficient number, since it is larger than the sum of its proper divisors (110941880188).

122012111012 is a wasteful number, since it uses less digits than its factorization.

122012111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259291 (or 259289 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122012111012 its reverse (210111210221), we get a palindrome (332123321233).

The spelling of 122012111012 in words is "one hundred twenty-two billion, twelve million, one hundred eleven thousand, twelve".

Divisors: 1 2 4 11 22 44 11177 22354 44708 122947 245894 248099 491788 496198 992396 2729089 5458178 10916356 2773002523 5546005046 11092010092 30503027753 61006055506 122012111012