11312212032 has 112 divisors (see below), whose sum is σ = 36279124800. Its totient is φ = 3427937280.

The previous prime is 11312212027. The next prime is 11312212069. The reversal of 11312212032 is 23021221311.

It is a super-2 number, since 2×11312212032² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 11312211996 and 11312212014.

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, 278557 + ... + 316572.

Almost surely, 2^11312212032 is an apocalyptic number.

11312212032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11312212032 is an abundant number, since it is smaller than the sum of its proper divisors (24966912768).

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

11312212032 is a wasteful number, since it uses less digits than its factorization.

11312212032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595161 (or 595145 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11312212032 its reverse (23021221311), we get a palindrome (34333433343).

The spelling of 11312212032 in words is "eleven billion, three hundred twelve million, two hundred twelve thousand, thirty-two".