12542101132 has 24 divisors (see below), whose sum is σ = 24163690320. Its totient is φ = 5648650560.

The previous prime is 12542101123. The next prime is 12542101147. The reversal of 12542101132 is 23110124521.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 1302763 + ... + 1312354.

It is an arithmetic number, because the mean of its divisors is an integer number (1006820430).

Almost surely, 2^12542101132 is an apocalyptic number.

It is an amenable number.

12542101132 is a deficient number, since it is larger than the sum of its proper divisors (11621589188).

12542101132 is a wasteful number, since it uses less digits than its factorization.

12542101132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615241 (or 2615239 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 12542101132 its reverse (23110124521), we get a palindrome (35652225653).

The spelling of 12542101132 in words is "twelve billion, five hundred forty-two million, one hundred one thousand, one hundred thirty-two".