122040015412 has 24 divisors (see below), whose sum is σ = 258437680704. Its totient is φ = 49226224512.

The previous prime is 122040015403. The next prime is 122040015469. The reversal of 122040015412 is 214510040221.

It is a super-2 number, since 2×122040015412² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 128192818 + ... + 128193769.

It is an arithmetic number, because the mean of its divisors is an integer number (10768236696).

Almost surely, 2^122040015412 is an apocalyptic number.

It is an amenable number.

122040015412 is an abundant number, since it is smaller than the sum of its proper divisors (136397665292).

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

122040015412 is a wasteful number, since it uses less digits than its factorization.

122040015412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256386615 (or 256386613 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 122040015412 its reverse (214510040221), we get a palindrome (336550055633).

The spelling of 122040015412 in words is "one hundred twenty-two billion, forty million, fifteen thousand, four hundred twelve".