11312344212 has 48 divisors (see below), whose sum is σ = 28594157760. Its totient is φ = 3480713184.

The previous prime is 11312344181. The next prime is 11312344213. The reversal of 11312344212 is 21244321311.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312344213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188178 + ... + 240905.

It is an arithmetic number, because the mean of its divisors is an integer number (595711620).

Almost surely, 2^11312344212 is an apocalyptic number.

11312344212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11312344212 is an abundant number, since it is smaller than the sum of its proper divisors (17281813548).

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

11312344212 is a wasteful number, since it uses less digits than its factorization.

11312344212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429129 (or 429101 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 11312344212 its reverse (21244321311), we get a palindrome (32556665523).

The spelling of 11312344212 in words is "eleven billion, three hundred twelve million, three hundred forty-four thousand, two hundred twelve".