11311300331212 has 96 divisors (see below), whose sum is σ = 23508309694464. Its totient is φ = 4661355686400.

The previous prime is 11311300331183. The next prime is 11311300331269. The reversal of 11311300331212 is 21213300311311.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274905913 + ... + 274947055.

It is an arithmetic number, because the mean of its divisors is an integer number (244878225984).

Almost surely, 2^{11311300331212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11311300331212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11754154847232).

11311300331212 is an abundant number, since it is smaller than the sum of its proper divisors (12197009363252).

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

11311300331212 is a wasteful number, since it uses less digits than its factorization.

11311300331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44639 (or 44637 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 11311300331212 its reverse (21213300311311), we get a palindrome (32524600642523).

The spelling of 11311300331212 in words is "eleven trillion, three hundred eleven billion, three hundred million, three hundred thirty-one thousand, two hundred twelve".