20124113412 has 48 divisors (see below), whose sum is σ = 51425398080. Its totient is φ = 6087082368.

The previous prime is 20124113411. The next prime is 20124113423. The reversal of 20124113412 is 21431142102.

It is not an unprimeable number, because it can be changed into a prime (20124113411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1084023 + ... + 1102430.

It is an arithmetic number, because the mean of its divisors is an integer number (1071362460).

Almost surely, 2^20124113412 is an apocalyptic number.

It is an amenable number.

20124113412 is an abundant number, since it is smaller than the sum of its proper divisors (31301284668).

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

20124113412 is a wasteful number, since it uses less digits than its factorization.

20124113412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186532 (or 2186530 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 20124113412 its reverse (21431142102), we get a palindrome (41555255514).

The spelling of 20124113412 in words is "twenty billion, one hundred twenty-four million, one hundred thirteen thousand, four hundred twelve".