13122311512425 has 24 divisors (see below), whose sum is σ = 21729296256864. Its totient is φ = 6987681874560.

The previous prime is 13122311512379. The next prime is 13122311512463. The reversal of 13122311512425 is 52421511322131.

It is not a de Polignac number, because 13122311512425 - 2³² = 13118016545129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136004772 + ... + 136101221.

It is an arithmetic number, because the mean of its divisors is an integer number (905387344036).

Almost surely, 2^{13122311512425} is an apocalyptic number.

13122311512425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13122311512425 is a deficient number, since it is larger than the sum of its proper divisors (8606984744439).

13122311512425 is a wasteful number, since it uses less digits than its factorization.

13122311512425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272106649 (or 272106644 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

Adding to 13122311512425 its reverse (52421511322131), we get a palindrome (65543822834556).

The spelling of 13122311512425 in words is "thirteen trillion, one hundred twenty-two billion, three hundred eleven million, five hundred twelve thousand, four hundred twenty-five".