11132313012 has 36 divisors (see below), whose sum is σ = 28183835680. Its totient is φ = 3704992272.

The previous prime is 11132312987. The next prime is 11132313029. The reversal of 11132313012 is 21031323111.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217312 + ... + 263607.

Almost surely, 2^11132313012 is an apocalyptic number.

11132313012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11132313012 is an abundant number, since it is smaller than the sum of its proper divisors (17051522668).

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

11132313012 is a wasteful number, since it uses less digits than its factorization.

11132313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481572 (or 481567 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11132313012 its reverse (21031323111), we get a palindrome (32163636123).

The spelling of 11132313012 in words is "eleven billion, one hundred thirty-two million, three hundred thirteen thousand, twelve".