122405121425012 has 24 divisors (see below), whose sum is σ = 215631597246912. Its totient is φ = 60796108800000.

The previous prime is 122405121425009. The next prime is 122405121425039. The reversal of 122405121425012 is 210524121504221.

It is a self number, because there is not a number n which added to its sum of digits gives 122405121425012.

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, 30899828 + ... + 34635380.

It is an arithmetic number, because the mean of its divisors is an integer number (8984649885288).

Almost surely, 2^{122405121425012} is an apocalyptic number.

It is an amenable number.

122405121425012 is a deficient number, since it is larger than the sum of its proper divisors (93226475821900).

122405121425012 is a wasteful number, since it uses less digits than its factorization.

122405121425012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789959 (or 3789957 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 122405121425012 its reverse (210524121504221), we get a palindrome (332929242929233).

The spelling of 122405121425012 in words is "one hundred twenty-two trillion, four hundred five billion, one hundred twenty-one million, four hundred twenty-five thousand, twelve".