1133131312212 has 24 divisors (see below), whose sum is σ = 2663272139136. Its totient is φ = 374953426368.

The previous prime is 1133131312177. The next prime is 1133131312217. The reversal of 1133131312212 is 2122131313311.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133131312217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344624668 + ... + 344627955.

It is an arithmetic number, because the mean of its divisors is an integer number (110969672464).

Almost surely, 2^{1133131312212} is an apocalyptic number.

1133131312212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1133131312212 is an abundant number, since it is smaller than the sum of its proper divisors (1530140826924).

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

1133131312212 is a wasteful number, since it uses less digits than its factorization.

1133131312212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689252767 (or 689252765 counting only the distinct ones).

The product of its digits is 648, while the sum is 24.

Adding to 1133131312212 its reverse (2122131313311), we get a palindrome (3255262625523).

The spelling of 1133131312212 in words is "one trillion, one hundred thirty-three billion, one hundred thirty-one million, three hundred twelve thousand, two hundred twelve".