243130004012 has 24 divisors (see below), whose sum is σ = 487383034656. Its totient is φ = 103957924608.

The previous prime is 243130003979. The next prime is 243130004053. The reversal of 243130004012 is 210400031342.

It is a super-2 number, since 2×243130004012² (a number of 24 digits) contains 22 as substring.

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, 10014683 + ... + 10038930.

It is an arithmetic number, because the mean of its divisors is an integer number (20307626444).

Almost surely, 2^243130004012 is an apocalyptic number.

It is an amenable number.

243130004012 is an abundant number, since it is smaller than the sum of its proper divisors (244253030644).

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

243130004012 is a wasteful number, since it uses less digits than its factorization.

243130004012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20054057 (or 20054055 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 243130004012 its reverse (210400031342), we get a palindrome (453530035354).

The spelling of 243130004012 in words is "two hundred forty-three billion, one hundred thirty million, four thousand, twelve".