12133541542 has 4 divisors (see below), whose sum is σ = 18200312316. Its totient is φ = 6066770770.

The previous prime is 12133541477. The next prime is 12133541551. The reversal of 12133541542 is 24514533121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3033385384 + ... + 3033385387.

It is an arithmetic number, because the mean of its divisors is an integer number (4550078079).

Almost surely, 2^12133541542 is an apocalyptic number.

12133541542 is a deficient number, since it is larger than the sum of its proper divisors (6066770774).

12133541542 is an equidigital number, since it uses as much as digits as its factorization.

12133541542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6066770773.

The product of its digits is 14400, while the sum is 31.

The spelling of 12133541542 in words is "twelve billion, one hundred thirty-three million, five hundred forty-one thousand, five hundred forty-two".