113211201240 has 96 divisors (see below), whose sum is σ = 368756388000. Its totient is φ = 30122373120.

The previous prime is 113211201239. The next prime is 113211201247. The reversal of 113211201240 is 42102112311.

113211201240 is a `hidden beast` number, since 1 + 13 + 211 + 201 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113211201247) 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, 188556 + ... + 511835.

It is an arithmetic number, because the mean of its divisors is an integer number (3841212375).

Almost surely, 2^113211201240 is an apocalyptic number.

113211201240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113211201240 is an abundant number, since it is smaller than the sum of its proper divisors (255545186760).

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

113211201240 is a wasteful number, since it uses less digits than its factorization.

113211201240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700857 (or 700850 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 113211201240 its reverse (42102112311), we get a palindrome (155313313551).

The spelling of 113211201240 in words is "one hundred thirteen billion, two hundred eleven million, two hundred one thousand, two hundred forty".