1100232313312 has 48 divisors (see below), whose sum is σ = 2417952442752. Its totient is φ = 488475227520.

The previous prime is 1100232313309. The next prime is 1100232313343. The reversal of 1100232313312 is 2133132320011.

It is a super-2 number, since 2×1100232313312² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 36329748 + ... + 36360019.

It is an arithmetic number, because the mean of its divisors is an integer number (50374009224).

Almost surely, 2^{1100232313312} is an apocalyptic number.

It is an amenable number.

1100232313312 is an abundant number, since it is smaller than the sum of its proper divisors (1317720129440).

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

1100232313312 is a wasteful number, since it uses less digits than its factorization.

1100232313312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72689831 (or 72689823 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1100232313312 its reverse (2133132320011), we get a palindrome (3233364633323).

The spelling of 1100232313312 in words is "one trillion, one hundred billion, two hundred thirty-two million, three hundred thirteen thousand, three hundred twelve".