113013212072 has 16 divisors (see below), whose sum is σ = 211914315060. Its totient is φ = 56502728064.

The previous prime is 113013212071. The next prime is 113013212111. The reversal of 113013212072 is 270212310311.

It can be written as a sum of positive squares in 2 ways, for example, as 98939186116 + 14074025956 = 314546^2 + 118634^2 .

It is a super-2 number, since 2×113013212072² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113013212071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358973 + ... + 595724.

Almost surely, 2^113013212072 is an apocalyptic number.

It is an amenable number.

113013212072 is a deficient number, since it is larger than the sum of its proper divisors (98901102988).

113013212072 is a wasteful number, since it uses less digits than its factorization.

113013212072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969500 (or 969496 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 113013212072 its reverse (270212310311), we get a palindrome (383225522383).

The spelling of 113013212072 in words is "one hundred thirteen billion, thirteen million, two hundred twelve thousand, seventy-two".