12545254392 has 64 divisors (see below), whose sum is σ = 34224508800. Its totient is φ = 3800461440.

The previous prime is 12545254357. The next prime is 12545254409. The reversal of 12545254392 is 29345254521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1449534 + ... + 1458162.

It is an arithmetic number, because the mean of its divisors is an integer number (534757950).

Almost surely, 2^12545254392 is an apocalyptic number.

12545254392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12545254392 is an abundant number, since it is smaller than the sum of its proper divisors (21679254408).

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

12545254392 is a wasteful number, since it uses less digits than its factorization.

12545254392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14156 (or 14152 counting only the distinct ones).

The product of its digits is 432000, while the sum is 42.

The spelling of 12545254392 in words is "twelve billion, five hundred forty-five million, two hundred fifty-four thousand, three hundred ninety-two".