12507357490 has 16 divisors (see below), whose sum is σ = 22894824960. Its totient is φ = 4918147120.

The previous prime is 12507357439. The next prime is 12507357503. The reversal of 12507357490 is 9475370521.

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, 10598866 + ... + 10600045.

It is an arithmetic number, because the mean of its divisors is an integer number (1430926560).

Almost surely, 2^12507357490 is an apocalyptic number.

12507357490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12507357490 is a deficient number, since it is larger than the sum of its proper divisors (10387467470).

12507357490 is a wasteful number, since it uses less digits than its factorization.

12507357490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21198977.

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 12507357490 in words is "twelve billion, five hundred seven million, three hundred fifty-seven thousand, four hundred ninety".