12108142320 has 40 divisors (see below), whose sum is σ = 37535241936. Its totient is φ = 3228837888.

The previous prime is 12108142313. The next prime is 12108142349. The reversal of 12108142320 is 2324180121.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×12108142320² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25225057 + ... + 25225536.

Almost surely, 2^12108142320 is an apocalyptic number.

12108142320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12108142320 is an abundant number, since it is smaller than the sum of its proper divisors (25427099616).

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

12108142320 is a wasteful number, since it uses less digits than its factorization.

12108142320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50450609 (or 50450603 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The spelling of 12108142320 in words is "twelve billion, one hundred eight million, one hundred forty-two thousand, three hundred twenty".