12112320251052 has 72 divisors (see below), whose sum is σ = 34991660270112. Its totient is φ = 3460612204800.

The previous prime is 12112320251047. The next prime is 12112320251123. The reversal of 12112320251052 is 25015202321121.

12112320251052 is a `hidden beast` number, since 1 + 2 + 1 + 123 + 20 + 2 + 510 + 5 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18974352 + ... + 19602312.

Almost surely, 2^{12112320251052} is an apocalyptic number.

12112320251052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12112320251052 is an abundant number, since it is smaller than the sum of its proper divisors (22879340019060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12112320251052 is a wasteful number, since it uses less digits than its factorization.

12112320251052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704519 (or 704514 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 12112320251052 its reverse (25015202321121), we get a palindrome (37127522572173).

The spelling of 12112320251052 in words is "twelve trillion, one hundred twelve billion, three hundred twenty million, two hundred fifty-one thousand, fifty-two".