12031101112212 has 72 divisors (see below), whose sum is σ = 37430092359296. Its totient is φ = 3173037655104.

The previous prime is 12031101112207. The next prime is 12031101112237. The reversal of 12031101112212 is 21221110113021.

It is a happy number.

12031101112212 is a `hidden beast` number, since 1 + 20 + 311 + 0 + 111 + 221 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1836245368 + ... + 1836251919.

Almost surely, 2^{12031101112212} is an apocalyptic number.

12031101112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12031101112212 is an abundant number, since it is smaller than the sum of its proper divisors (25398991247084).

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

12031101112212 is a wasteful number, since it uses less digits than its factorization.

12031101112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672497317 (or 3672497312 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 12031101112212 its reverse (21221110113021), we get a palindrome (33252211225233).

The spelling of 12031101112212 in words is "twelve trillion, thirty-one billion, one hundred one million, one hundred twelve thousand, two hundred twelve".