11331131313212 has 6 divisors (see below), whose sum is σ = 19829479798128. Its totient is φ = 5665565656604.

The previous prime is 11331131313191. The next prime is 11331131313221. The reversal of 11331131313212 is 21231313113311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1416391414148 + ... + 1416391414155.

It is an arithmetic number, because the mean of its divisors is an integer number (3304913299688).

Almost surely, 2^{11331131313212} is an apocalyptic number.

It is an amenable number.

11331131313212 is a deficient number, since it is larger than the sum of its proper divisors (8498348484916).

11331131313212 is a wasteful number, since it uses less digits than its factorization.

11331131313212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832782828307 (or 2832782828305 counting only the distinct ones).

The product of its digits is 972, while the sum is 26.

Adding to 11331131313212 its reverse (21231313113311), we get a palindrome (32562444426523).

The spelling of 11331131313212 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred thirteen thousand, two hundred twelve".