12164234520 has 64 divisors (see below), whose sum is σ = 36514527840. Its totient is φ = 3241856000.

The previous prime is 12164234501. The next prime is 12164234531. The reversal of 12164234520 is 2543246121.

12164234520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177070 + ... + 235970.

Almost surely, 2^12164234520 is an apocalyptic number.

12164234520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12164234520 is an abundant number, since it is smaller than the sum of its proper divisors (24350293320).

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

12164234520 is a wasteful number, since it uses less digits than its factorization.

12164234520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60636 (or 60632 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 12164234520 in words is "twelve billion, one hundred sixty-four million, two hundred thirty-four thousand, five hundred twenty".