12601274784 has 48 divisors (see below), whose sum is σ = 37803826368. Its totient is φ = 3600364032.

The previous prime is 12601274783. The next prime is 12601274789. The reversal of 12601274784 is 48747210621.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (12601274783) 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, 9375277 + ... + 9376620.

It is an arithmetic number, because the mean of its divisors is an integer number (787579716).

Almost surely, 2^12601274784 is an apocalyptic number.

12601274784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12601274784 is an abundant number, since it is smaller than the sum of its proper divisors (25202551584).

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

12601274784 is a wasteful number, since it uses less digits than its factorization.

12601274784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18751917 (or 18751909 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The spelling of 12601274784 in words is "twelve billion, six hundred one million, two hundred seventy-four thousand, seven hundred eighty-four".