1131213232212 has 96 divisors (see below), whose sum is σ = 3225638142720. Its totient is φ = 301179955200.

The previous prime is 1131213232159. The next prime is 1131213232213. The reversal of 1131213232212 is 2122323121311.

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 (1131213232213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3777387 + ... + 4065842.

It is an arithmetic number, because the mean of its divisors is an integer number (33600397320).

Almost surely, 2^{1131213232212} is an apocalyptic number.

1131213232212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131213232212 is an abundant number, since it is smaller than the sum of its proper divisors (2094424910508).

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

1131213232212 is a wasteful number, since it uses less digits than its factorization.

1131213232212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7843361 (or 7843359 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

Adding to 1131213232212 its reverse (2122323121311), we get a palindrome (3253536353523).

The spelling of 1131213232212 in words is "one trillion, one hundred thirty-one billion, two hundred thirteen million, two hundred thirty-two thousand, two hundred twelve".