12625990454 has 32 divisors (see below), whose sum is σ = 23664960000. Its totient is φ = 4908234240.

The previous prime is 12625990417. The next prime is 12625990469. The reversal of 12625990454 is 45409952621.

It is a super-2 number, since 2×12625990454² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12625990399 and 12625990408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22154 + ... + 160445.

It is an arithmetic number, because the mean of its divisors is an integer number (739530000).

Almost surely, 2^12625990454 is an apocalyptic number.

12625990454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12625990454 is a deficient number, since it is larger than the sum of its proper divisors (11038969546).

12625990454 is a wasteful number, since it uses less digits than its factorization.

12625990454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183068.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 12625990454 in words is "twelve billion, six hundred twenty-five million, nine hundred ninety thousand, four hundred fifty-four".