113211001200 has 120 divisors (see below), whose sum is σ = 395621035776. Its totient is φ = 27445088000.

The previous prime is 113211001199. The next prime is 113211001207. The reversal of 113211001200 is 2100112311.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113211001207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4275096 + ... + 4301495.

Almost surely, 2^113211001200 is an apocalyptic number.

113211001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113211001200 is an abundant number, since it is smaller than the sum of its proper divisors (282410034576).

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

113211001200 is a wasteful number, since it uses less digits than its factorization.

113211001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8576623 (or 8576612 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 113211001200 its reverse (2100112311), we get a palindrome (115311113511).

Subtracting from 113211001200 its reverse (2100112311), we obtain a square (111110888889 = 333333²).

The spelling of 113211001200 in words is "one hundred thirteen billion, two hundred eleven million, one thousand, two hundred".