113212013210 has 16 divisors (see below), whose sum is σ = 203810337000. Its totient is φ = 45278424576.

The previous prime is 113212013191. The next prime is 113212013227. The reversal of 113212013210 is 12310212311.

It can be written as a sum of positive squares in 4 ways, for example, as 108029885041 + 5182128169 = 328679^2 + 71987^2 .

It is a super-2 number, since 2×113212013210² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722735 + ... + 865314.

Almost surely, 2^113212013210 is an apocalyptic number.

113212013210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113212013210 is a deficient number, since it is larger than the sum of its proper divisors (90598323790).

113212013210 is a wasteful number, since it uses less digits than its factorization.

113212013210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595185.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 113212013210 its reverse (12310212311), we get a palindrome (125522225521).

The spelling of 113212013210 in words is "one hundred thirteen billion, two hundred twelve million, thirteen thousand, two hundred ten".