122402130405512 has 16 divisors (see below), whose sum is σ = 229505340764700. Its totient is φ = 61200706201600.

The previous prime is 122402130405481. The next prime is 122402130405517. The reversal of 122402130405512 is 215504031204221.

It can be written as a sum of positive squares in 2 ways, for example, as 116203355014756 + 6198775390756 = 10779766^2 + 2489734^2 .

It is not an unprimeable number, because it can be changed into a prime (122402130405517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43423337 + ... + 46156152.

Almost surely, 2^{122402130405512} is an apocalyptic number.

It is an amenable number.

122402130405512 is a deficient number, since it is larger than the sum of its proper divisors (107103210359188).

122402130405512 is a wasteful number, since it uses less digits than its factorization.

122402130405512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89750296 (or 89750292 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 122402130405512 its reverse (215504031204221), we get a palindrome (337906161609733).

The spelling of 122402130405512 in words is "one hundred twenty-two trillion, four hundred two billion, one hundred thirty million, four hundred five thousand, five hundred twelve".