11131313433212 has 48 divisors (see below), whose sum is σ = 23641727773440. Its totient is φ = 4479485213952.

The previous prime is 11131313433211. The next prime is 11131313433217. The reversal of 11131313433212 is 21233431313111.

It is a super-2 number, since 2×11131313433212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131313433211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92521838 + ... + 92642069.

It is an arithmetic number, because the mean of its divisors is an integer number (492535995280).

Almost surely, 2^{11131313433212} is an apocalyptic number.

It is an amenable number.

11131313433212 is an abundant number, since it is smaller than the sum of its proper divisors (12510414340228).

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

11131313433212 is a wasteful number, since it uses less digits than its factorization.

11131313433212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185164050 (or 185164048 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

Adding to 11131313433212 its reverse (21233431313111), we get a palindrome (32364744746323).

The spelling of 11131313433212 in words is "eleven trillion, one hundred thirty-one billion, three hundred thirteen million, four hundred thirty-three thousand, two hundred twelve".