122413133421 has 24 divisors (see below), whose sum is σ = 181217869560. Its totient is φ = 79580390400.

The previous prime is 122413133417. The next prime is 122413133429. The reversal of 122413133421 is 124331314221.

122413133421 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 1 + 313 + 342 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5781321225 + 116631812196 = 76035^2 + 341514^2 .

It is not a de Polignac number, because 122413133421 - 2² = 122413133417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122413133429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 707691 + ... + 863511.

It is an arithmetic number, because the mean of its divisors is an integer number (7550744565).

Almost surely, 2^122413133421 is an apocalyptic number.

It is an amenable number.

122413133421 is a deficient number, since it is larger than the sum of its proper divisors (58804736139).

122413133421 is a wasteful number, since it uses less digits than its factorization.

122413133421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157997 (or 157994 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 122413133421 its reverse (124331314221), we get a palindrome (246744447642).

The spelling of 122413133421 in words is "one hundred twenty-two billion, four hundred thirteen million, one hundred thirty-three thousand, four hundred twenty-one".