12244811586 has 48 divisors (see below), whose sum is σ = 28556206560. Its totient is φ = 3490132800.

The previous prime is 12244811569. The next prime is 12244811603. The reversal of 12244811586 is 68511844221.

It is an interprime number because it is at equal distance from previous prime (12244811569) and next prime (12244811603).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73486 + ... + 172886.

It is an arithmetic number, because the mean of its divisors is an integer number (594920970).

Almost surely, 2^12244811586 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12244811586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14278103280).

12244811586 is an abundant number, since it is smaller than the sum of its proper divisors (16311394974).

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

12244811586 is a wasteful number, since it uses less digits than its factorization.

12244811586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99839 (or 99832 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The spelling of 12244811586 in words is "twelve billion, two hundred forty-four million, eight hundred eleven thousand, five hundred eighty-six".