12905516270 has 16 divisors (see below), whose sum is σ = 23276121120. Its totient is φ = 5151941664.

The previous prime is 12905516251. The next prime is 12905516279. The reversal of 12905516270 is 7261550921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12905516279) 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, 1277825 + ... + 1287884.

It is an arithmetic number, because the mean of its divisors is an integer number (1454757570).

Almost surely, 2^12905516270 is an apocalyptic number.

12905516270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12905516270 is a deficient number, since it is larger than the sum of its proper divisors (10370604850).

12905516270 is a wasteful number, since it uses less digits than its factorization.

12905516270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566219.

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 12905516270 in words is "twelve billion, nine hundred five million, five hundred sixteen thousand, two hundred seventy".