122112100022040 has 48 divisors (see below), whose sum is σ = 396864325072800. Its totient is φ = 32563226672448.

The previous prime is 122112100022039. The next prime is 122112100022089. The reversal of 122112100022040 is 40220001211221.

It is a super-2 number, since 2×122112100022040² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169600138560 + ... + 169600139279.

It is an arithmetic number, because the mean of its divisors is an integer number (8268006772350).

Almost surely, 2^{122112100022040} is an apocalyptic number.

122112100022040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122112100022040 is an abundant number, since it is smaller than the sum of its proper divisors (274752225050760).

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

122112100022040 is a wasteful number, since it uses less digits than its factorization.

122112100022040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339200277856 (or 339200277849 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122112100022040 its reverse (40220001211221), we get a palindrome (162332101233261).

The spelling of 122112100022040 in words is "one hundred twenty-two trillion, one hundred twelve billion, one hundred million, twenty-two thousand, forty".