13012131442 has 32 divisors (see below), whose sum is σ = 20011784832. Its totient is φ = 6343244544.

The previous prime is 13012131421. The next prime is 13012131443. The reversal of 13012131442 is 24413121031.

It is not an unprimeable number, because it can be changed into a prime (13012131443) 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, 20111163 + ... + 20111809.

It is an arithmetic number, because the mean of its divisors is an integer number (625368276).

Almost surely, 2^13012131442 is an apocalyptic number.

13012131442 is a deficient number, since it is larger than the sum of its proper divisors (6999653390).

13012131442 is a wasteful number, since it uses less digits than its factorization.

13012131442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13012131442 its reverse (24413121031), we get a palindrome (37425252473).

The spelling of 13012131442 in words is "thirteen billion, twelve million, one hundred thirty-one thousand, four hundred forty-two".