122013520525 has 48 divisors (see below), whose sum is σ = 174166352640. Its totient is φ = 84082521600.

The previous prime is 122013520513. The next prime is 122013520547. The reversal of 122013520525 is 525025310221.

It is not a de Polignac number, because 122013520525 - 2¹¹ = 122013518477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122013520493 and 122013520502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107416 + ... + 505534.

It is an arithmetic number, because the mean of its divisors is an integer number (3628465680).

Almost surely, 2^122013520525 is an apocalyptic number.

It is an amenable number.

122013520525 is a deficient number, since it is larger than the sum of its proper divisors (52152832115).

122013520525 is a wasteful number, since it uses less digits than its factorization.

122013520525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398206 (or 398201 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 122013520525 its reverse (525025310221), we get a palindrome (647038830746).

The spelling of 122013520525 in words is "one hundred twenty-two billion, thirteen million, five hundred twenty thousand, five hundred twenty-five".