12146744862 has 48 divisors (see below), whose sum is σ = 30084268032. Its totient is φ = 3469735440.

The previous prime is 12146744861. The next prime is 12146744867. The reversal of 12146744862 is 26844764121.

12146744862 is a `hidden beast` number, since 1 + 2 + 146 + 7 + 448 + 62 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12146744861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 825187 + ... + 839777.

It is an arithmetic number, because the mean of its divisors is an integer number (626755584).

Almost surely, 2^12146744862 is an apocalyptic number.

12146744862 is an abundant number, since it is smaller than the sum of its proper divisors (17937523170).

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

12146744862 is a wasteful number, since it uses less digits than its factorization.

12146744862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21213 (or 21210 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The spelling of 12146744862 in words is "twelve billion, one hundred forty-six million, seven hundred forty-four thousand, eight hundred sixty-two".