11312113221312 has 56 divisors (see below), whose sum is σ = 29930527603392. Its totient is φ = 3770633683200.

The previous prime is 11312113221247. The next prime is 11312113221377. The reversal of 11312113221312 is 21312231121311.

It is an interprime number because it is at equal distance from previous prime (11312113221247) and next prime (11312113221377).

It is a Harshad number since it is a multiple of its sum of digits (24).

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 7 ways as a sum of consecutive naturals, for example, 10260387 + ... + 11309277.

Almost surely, 2^{11312113221312} is an apocalyptic number.

11312113221312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11312113221312 is an abundant number, since it is smaller than the sum of its proper divisors (18618414382080).

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

11312113221312 is a wasteful number, since it uses less digits than its factorization.

11312113221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105077 (or 1105067 counting only the distinct ones).

The product of its digits is 432, while the sum is 24.

Adding to 11312113221312 its reverse (21312231121311), we get a palindrome (32624344342623).

The spelling of 11312113221312 in words is "eleven trillion, three hundred twelve billion, one hundred thirteen million, two hundred twenty-one thousand, three hundred twelve".