12164204040 has 32 divisors (see below), whose sum is σ = 36492612480. Its totient is φ = 3243787712.

The previous prime is 12164204033. The next prime is 12164204047. The reversal of 12164204040 is 4040246121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12164204033) and next prime (12164204047).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12164204040.

It is not an unprimeable number, because it can be changed into a prime (12164204047) 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, 50684064 + ... + 50684303.

It is an arithmetic number, because the mean of its divisors is an integer number (1140394140).

Almost surely, 2^12164204040 is an apocalyptic number.

12164204040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12164204040 is an abundant number, since it is smaller than the sum of its proper divisors (24328408440).

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

12164204040 is a wasteful number, since it uses less digits than its factorization.

12164204040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101368381 (or 101368377 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The spelling of 12164204040 in words is "twelve billion, one hundred sixty-four million, two hundred four thousand, forty".