12860862465 has 16 divisors (see below), whose sum is σ = 22448051136. Its totient is φ = 6235569600.

The previous prime is 12860862451. The next prime is 12860862473. The reversal of 12860862465 is 56426806821.

It is not a de Polignac number, because 12860862465 - 2¹⁵ = 12860829697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38972146 + ... + 38972475.

It is an arithmetic number, because the mean of its divisors is an integer number (1403003196).

Almost surely, 2^12860862465 is an apocalyptic number.

12860862465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12860862465 is a deficient number, since it is larger than the sum of its proper divisors (9587188671).

12860862465 is a wasteful number, since it uses less digits than its factorization.

12860862465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77944640.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 12860862465 in words is "twelve billion, eight hundred sixty million, eight hundred sixty-two thousand, four hundred sixty-five".