12244645654 has 16 divisors (see below), whose sum is σ = 19632987360. Its totient is φ = 5713301440.

The previous prime is 12244645601. The next prime is 12244645657. The reversal of 12244645654 is 45654644221.

It is a self number, because there is not a number n which added to its sum of digits gives 12244645654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244645657) 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, 3244309 + ... + 3248080.

It is an arithmetic number, because the mean of its divisors is an integer number (1227061710).

Almost surely, 2^12244645654 is an apocalyptic number.

12244645654 is a deficient number, since it is larger than the sum of its proper divisors (7388341706).

12244645654 is a wasteful number, since it uses less digits than its factorization.

12244645654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6492455.

The product of its digits is 921600, while the sum is 43.

It can be divided in two parts, 122446 and 45654, that added together give a square (168100 = 410²).

The spelling of 12244645654 in words is "twelve billion, two hundred forty-four million, six hundred forty-five thousand, six hundred fifty-four".