122072426020 has 24 divisors (see below), whose sum is σ = 261806396544. Its totient is φ = 47790055776.

The previous prime is 122072426017. The next prime is 122072426027. The reversal of 122072426020 is 20624270221.

It is a self number, because there is not a number n which added to its sum of digits gives 122072426020.

It is not an unprimeable number, because it can be changed into a prime (122072426027) 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, 64931202 + ... + 64933081.

It is an arithmetic number, because the mean of its divisors is an integer number (10908599856).

Almost surely, 2^122072426020 is an apocalyptic number.

122072426020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122072426020 is an abundant number, since it is smaller than the sum of its proper divisors (139733970524).

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

122072426020 is a wasteful number, since it uses less digits than its factorization.

122072426020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129864339 (or 129864337 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 122072426020 its reverse (20624270221), we get a palindrome (142696696241).

The spelling of 122072426020 in words is "one hundred twenty-two billion, seventy-two million, four hundred twenty-six thousand, twenty".