12957425254428 has 24 divisors (see below), whose sum is σ = 30306149771520. Its totient is φ = 4308833535600.

The previous prime is 12957425254421. The next prime is 12957425254463. The reversal of 12957425254428 is 82445252475921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12957425254421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288521748 + ... + 1288531803.

It is an arithmetic number, because the mean of its divisors is an integer number (1262756240480).

Almost surely, 2^{12957425254428} is an apocalyptic number.

It is an amenable number.

12957425254428 is an abundant number, since it is smaller than the sum of its proper divisors (17348724517092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12957425254428 is a wasteful number, since it uses less digits than its factorization.

12957425254428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577053977 (or 2577053975 counting only the distinct ones).

The product of its digits is 64512000, while the sum is 60.

The spelling of 12957425254428 in words is "twelve trillion, nine hundred fifty-seven billion, four hundred twenty-five million, two hundred fifty-four thousand, four hundred twenty-eight".