113220013012 has 24 divisors (see below), whose sum is σ = 202986686952. Its totient is φ = 55224076800.

The previous prime is 113220012977. The next prime is 113220013019. The reversal of 113220013012 is 210310022311.

It can be written as a sum of positive squares in 4 ways, for example, as 7129100356 + 106090912656 = 84434^2 + 325716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113220013019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2168688 + ... + 2220280.

It is an arithmetic number, because the mean of its divisors is an integer number (8457778623).

Almost surely, 2^113220013012 is an apocalyptic number.

It is an amenable number.

113220013012 is a deficient number, since it is larger than the sum of its proper divisors (89766673940).

113220013012 is a wasteful number, since it uses less digits than its factorization.

113220013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65019 (or 65017 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 113220013012 its reverse (210310022311), we get a palindrome (323530035323).

The spelling of 113220013012 in words is "one hundred thirteen billion, two hundred twenty million, thirteen thousand, twelve".