12492695420 has 24 divisors (see below), whose sum is σ = 26278925904. Its totient is φ = 4988646656.

The previous prime is 12492695419. The next prime is 12492695437. The reversal of 12492695420 is 2459629421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514814 + ... + 538533.

It is an arithmetic number, because the mean of its divisors is an integer number (1094955246).

Almost surely, 2^12492695420 is an apocalyptic number.

12492695420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12492695420 is an abundant number, since it is smaller than the sum of its proper divisors (13786230484).

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

12492695420 is a wasteful number, since it uses less digits than its factorization.

12492695420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053949 (or 1053947 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 12492695420 in words is "twelve billion, four hundred ninety-two million, six hundred ninety-five thousand, four hundred twenty".