12601612812 has 24 divisors (see below), whose sum is σ = 29473617712. Its totient is φ = 4190558400.

The previous prime is 12601612811. The next prime is 12601612819. The reversal of 12601612812 is 21821610621.

It is a self number, because there is not a number n which added to its sum of digits gives 12601612812.

It is not an unprimeable number, because it can be changed into a prime (12601612811) 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, 1242139 + ... + 1252242.

Almost surely, 2^12601612812 is an apocalyptic number.

12601612812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12601612812 is an abundant number, since it is smaller than the sum of its proper divisors (16872004900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12601612812 is a wasteful number, since it uses less digits than its factorization.

12601612812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494809 (or 2494807 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The spelling of 12601612812 in words is "twelve billion, six hundred one million, six hundred twelve thousand, eight hundred twelve".