11132312212 has 24 divisors (see below), whose sum is σ = 22360193856. Its totient is φ = 4750511808.

The previous prime is 11132312209. The next prime is 11132312227. The reversal of 11132312212 is 21221323111.

It is a self number, because there is not a number n which added to its sum of digits gives 11132312212.

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, 846658 + ... + 859705.

It is an arithmetic number, because the mean of its divisors is an integer number (931674744).

Almost surely, 2^11132312212 is an apocalyptic number.

It is an amenable number.

11132312212 is an abundant number, since it is smaller than the sum of its proper divisors (11227881644).

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

11132312212 is a wasteful number, since it uses less digits than its factorization.

11132312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706607 (or 1706605 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

Adding to 11132312212 its reverse (21221323111), we get a palindrome (32353635323).

The spelling of 11132312212 in words is "eleven billion, one hundred thirty-two million, three hundred twelve thousand, two hundred twelve".