12247125894 has 48 divisors (see below), whose sum is σ = 27632423520. Its totient is φ = 3915475200.

The previous prime is 12247125889. The next prime is 12247125929. The reversal of 12247125894 is 49852174221.

12247125894 is a `hidden beast` number, since 1 + 22 + 47 + 1 + 2 + 589 + 4 = 666.

It is a congruent number.

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, 1134 + ... + 156510.

It is an arithmetic number, because the mean of its divisors is an integer number (575675490).

Almost surely, 2^12247125894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12247125894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13816211760).

12247125894 is an abundant number, since it is smaller than the sum of its proper divisors (15385297626).

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

12247125894 is a wasteful number, since it uses less digits than its factorization.

12247125894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155565 (or 155562 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The spelling of 12247125894 in words is "twelve billion, two hundred forty-seven million, one hundred twenty-five thousand, eight hundred ninety-four".