12505042510 has 16 divisors (see below), whose sum is σ = 22531807872. Its totient is φ = 4996965600.

The previous prime is 12505042499. The next prime is 12505042513. The reversal of 12505042510 is 1524050521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12505042513) 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, 621021 + ... + 640840.

It is an arithmetic number, because the mean of its divisors is an integer number (1408237992).

Almost surely, 2^12505042510 is an apocalyptic number.

12505042510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12505042510 is a deficient number, since it is larger than the sum of its proper divisors (10026765362).

12505042510 is a wasteful number, since it uses less digits than its factorization.

12505042510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262859.

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 12505042510 in words is "twelve billion, five hundred five million, forty-two thousand, five hundred ten".