122013020420 has 12 divisors (see below), whose sum is σ = 256227342924. Its totient is φ = 48805208160.

The previous prime is 122013020387. The next prime is 122013020443. The reversal of 122013020420 is 24020310221.

It can be written as a sum of positive squares in 2 ways, for example, as 49932583936 + 72080436484 = 223456^2 + 268478^2 .

It is a super-2 number, since 2×122013020420² (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 3 ways as a sum of consecutive naturals, for example, 3050325491 + ... + 3050325530.

It is an arithmetic number, because the mean of its divisors is an integer number (21352278577).

Almost surely, 2^122013020420 is an apocalyptic number.

122013020420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122013020420 is an abundant number, since it is smaller than the sum of its proper divisors (134214322504).

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

122013020420 is a wasteful number, since it uses less digits than its factorization.

122013020420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100651030 (or 6100651028 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 122013020420 its reverse (24020310221), we get a palindrome (146033330641).

The spelling of 122013020420 in words is "one hundred twenty-two billion, thirteen million, twenty thousand, four hundred twenty".