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122110011012 = 22311925075841
BaseRepresentation
bin111000110111001010…
…0101110011010000100
3102200012001112021110110
41301232110232122010
54000040130323022
6132032505153020
711551666653003
oct1615624563204
9380161467413
10122110011012
1147871a10680
121b7ba48b770
13b69039bab2
145ca567ac3a
15329a34900c
hex1c6e52e684

122110011012 has 24 divisors (see below), whose sum is σ = 310825482912. Its totient is φ = 37003033600.

The previous prime is 122110011011. The next prime is 122110011017. The reversal of 122110011012 is 210110011221.

It is a super-2 number, since 2×1221100110122 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (122110011011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462537789 + ... + 462538052.

It is an arithmetic number, because the mean of its divisors is an integer number (12951061788).

Almost surely, 2122110011012 is an apocalyptic number.

122110011012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122110011012 is an abundant number, since it is smaller than the sum of its proper divisors (188715471900).

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

122110011012 is a wasteful number, since it uses less digits than its factorization.

122110011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925075859 (or 925075857 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122110011012 its reverse (210110011221), we get a palindrome (332220022233).

The spelling of 122110011012 in words is "one hundred twenty-two billion, one hundred ten million, eleven thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 925075841 1850151682 2775227523 3700303364 5550455046 10175834251 11100910092 20351668502 30527502753 40703337004 61055005506 122110011012