12656041630 has 16 divisors (see below), whose sum is σ = 22912559424. Its totient is φ = 5033153440.

The previous prime is 12656041627. The next prime is 12656041633. The reversal of 12656041630 is 3614065621.

It is an interprime number because it is at equal distance from previous prime (12656041627) and next prime (12656041633).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12656041633) 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, 3656086 + ... + 3659545.

It is an arithmetic number, because the mean of its divisors is an integer number (1432034964).

Almost surely, 2^12656041630 is an apocalyptic number.

12656041630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12656041630 is a deficient number, since it is larger than the sum of its proper divisors (10256517794).

12656041630 is a wasteful number, since it uses less digits than its factorization.

12656041630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7315811.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 12656041630 in words is "twelve billion, six hundred fifty-six million, forty-one thousand, six hundred thirty".