13012112043 has 18 divisors (see below), whose sum is σ = 21863889684. Its totient is φ = 7435492344.

The previous prime is 13012111999. The next prime is 13012112053. The reversal of 13012112043 is 34021121031.

It is not a de Polignac number, because 13012112043 - 2¹⁸ = 13011849899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13012112053) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14752521 + ... + 14753402.

It is an arithmetic number, because the mean of its divisors is an integer number (1214660538).

Almost surely, 2^13012112043 is an apocalyptic number.

13012112043 is a deficient number, since it is larger than the sum of its proper divisors (8851777641).

13012112043 is a wasteful number, since it uses less digits than its factorization.

13012112043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29505943 (or 29505933 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13012112043 its reverse (34021121031), we get a palindrome (47033233074).

The spelling of 13012112043 in words is "thirteen billion, twelve million, one hundred twelve thousand, forty-three".