113212060900 has 27 divisors (see below), whose sum is σ = 245677473769. Its totient is φ = 45283478480.

The previous prime is 113212060883. The next prime is 113212060909. The reversal of 113212060900 is 9060212311.

The square root of 113212060900 is 336470.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 40756341924 + 72455718976 = 201882^2 + 269176^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113212060909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3347877 + ... + 3381523.

Almost surely, 2^113212060900 is an apocalyptic number.

113212060900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113212060900 is the 336470-th square number.

It is an amenable number.

113212060900 is an abundant number, since it is smaller than the sum of its proper divisors (132465412869).

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

113212060900 is an frugal number, since it uses more digits than its factorization.

113212060900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67308 (or 33654 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

Multiplying 113212060900 by its sum of digits (25), we get a square (2830301522500 = 1682350²).

113212060900 divided by its sum of digits (25) gives a square (4528482436 = 67294²).

The spelling of 113212060900 in words is "one hundred thirteen billion, two hundred twelve million, sixty thousand, nine hundred".