43012312130 has 32 divisors (see below), whose sum is σ = 77779937664. Its totient is φ = 17125593856.

The previous prime is 43012312097. The next prime is 43012312139. The reversal of 43012312130 is 3121321034.

It is not an unprimeable number, because it can be changed into a prime (43012312139) 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, 2047259 + ... + 2068161.

It is an arithmetic number, because the mean of its divisors is an integer number (2430623052).

Almost surely, 2^43012312130 is an apocalyptic number.

43012312130 is a deficient number, since it is larger than the sum of its proper divisors (34767625534).

43012312130 is a wasteful number, since it uses less digits than its factorization.

43012312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21850.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 43012312130 its reverse (3121321034), we get a palindrome (46133633164).

The spelling of 43012312130 in words is "forty-three billion, twelve million, three hundred twelve thousand, one hundred thirty".