122412530402 has 54 divisors (see below), whose sum is σ = 201152479203. Its totient is φ = 55860715008.

The previous prime is 122412530399. The next prime is 122412530441. The reversal of 122412530402 is 204035214221.

It can be written as a sum of positive squares in 5 ways, for example, as 77701005001 + 44711525401 = 278749^2 + 211451^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=247399.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 272633474 + ... + 272633922.

Almost surely, 2^122412530402 is an apocalyptic number.

122412530402 is a deficient number, since it is larger than the sum of its proper divisors (78739948801).

122412530402 is an frugal number, since it uses more digits than its factorization.

122412530402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 122412530402 its reverse (204035214221), we get a palindrome (326447744623).

The spelling of 122412530402 in words is "one hundred twenty-two billion, four hundred twelve million, five hundred thirty thousand, four hundred two".