200012534124 has 24 divisors (see below), whose sum is σ = 502595598960. Its totient is φ = 61542318144.

The previous prime is 200012534123. The next prime is 200012534143. The reversal of 200012534124 is 421435210002.

It is a junction number, because it is equal to n+sod(n) for n = 200012534094 and 200012534103.

It is not an unprimeable number, because it can be changed into a prime (200012534123) 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, 641065659 + ... + 641065970.

It is an arithmetic number, because the mean of its divisors is an integer number (20941483290).

Almost surely, 2^200012534124 is an apocalyptic number.

It is an amenable number.

200012534124 is an abundant number, since it is smaller than the sum of its proper divisors (302583064836).

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

200012534124 is a wasteful number, since it uses less digits than its factorization.

200012534124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282131649 (or 1282131647 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 200012534124 its reverse (421435210002), we get a palindrome (621447744126).

The spelling of 200012534124 in words is "two hundred billion, twelve million, five hundred thirty-four thousand, one hundred twenty-four".