113211343212 has 48 divisors (see below), whose sum is σ = 303341404800. Its totient is φ = 32500863360.

The previous prime is 113211343207. The next prime is 113211343249. The reversal of 113211343212 is 212343112311.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22567537 + ... + 22572552.

It is an arithmetic number, because the mean of its divisors is an integer number (6319612600).

Almost surely, 2^113211343212 is an apocalyptic number.

113211343212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113211343212 is an abundant number, since it is smaller than the sum of its proper divisors (190130061588).

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

113211343212 is a wasteful number, since it uses less digits than its factorization.

113211343212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45140126 (or 45140124 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

Adding to 113211343212 its reverse (212343112311), we get a palindrome (325554455523).

The spelling of 113211343212 in words is "one hundred thirteen billion, two hundred eleven million, three hundred forty-three thousand, two hundred twelve".