12142765020 has 24 divisors (see below), whose sum is σ = 33999742224. Its totient is φ = 3238070656.

The previous prime is 12142765013. The next prime is 12142765067. The reversal of 12142765020 is 2056724121.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101189649 + ... + 101189768.

It is an arithmetic number, because the mean of its divisors is an integer number (1416655926).

Almost surely, 2^12142765020 is an apocalyptic number.

12142765020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12142765020 is an abundant number, since it is smaller than the sum of its proper divisors (21856977204).

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

12142765020 is a wasteful number, since it uses less digits than its factorization.

12142765020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202379429 (or 202379427 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 12142765020 in words is "twelve billion, one hundred forty-two million, seven hundred sixty-five thousand, twenty".