113215052412 has 144 divisors (see below), whose sum is σ = 356911027200. Its totient is φ = 29397271680.

The previous prime is 113215052407. The next prime is 113215052437. The reversal of 113215052412 is 214250512311.

It is a happy number.

113215052412 is a `hidden beast` number, since 1 + 132 + 1 + 5 + 0 + 524 + 1 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16265389 + ... + 16272347.

It is an arithmetic number, because the mean of its divisors is an integer number (2478548800).

Almost surely, 2^113215052412 is an apocalyptic number.

113215052412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113215052412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178455513600).

113215052412 is an abundant number, since it is smaller than the sum of its proper divisors (243695974788).

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

113215052412 is a wasteful number, since it uses less digits than its factorization.

113215052412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12856 (or 12851 counting only the distinct ones).

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

Adding to 113215052412 its reverse (214250512311), we get a palindrome (327465564723).

The spelling of 113215052412 in words is "one hundred thirteen billion, two hundred fifteen million, fifty-two thousand, four hundred twelve".