12112551534502 has 4 divisors (see below), whose sum is σ = 18168827301756. Its totient is φ = 6056275767250.

The previous prime is 12112551534491. The next prime is 12112551534541. The reversal of 12112551534502 is 20543515521121.

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, 3028137883624 + ... + 3028137883627.

It is an arithmetic number, because the mean of its divisors is an integer number (4542206825439).

Almost surely, 2^{12112551534502} is an apocalyptic number.

12112551534502 is a deficient number, since it is larger than the sum of its proper divisors (6056275767254).

12112551534502 is an equidigital number, since it uses as much as digits as its factorization.

12112551534502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056275767253.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 12112551534502 in words is "twelve trillion, one hundred twelve billion, five hundred fifty-one million, five hundred thirty-four thousand, five hundred two".