12021131130312 has 32 divisors (see below), whose sum is σ = 30053263654080. Its totient is φ = 4006985599680.

The previous prime is 12021131130293. The next prime is 12021131130343. The reversal of 12021131130312 is 21303113112021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1926139 + ... + 5268042.

It is an arithmetic number, because the mean of its divisors is an integer number (939164489190).

Almost surely, 2^{12021131130312} is an apocalyptic number.

12021131130312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12021131130312 is an abundant number, since it is smaller than the sum of its proper divisors (18032132523768).

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

12021131130312 is a wasteful number, since it uses less digits than its factorization.

12021131130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7263813 (or 7263809 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12021131130312 its reverse (21303113112021), we get a palindrome (33324244242333).

The spelling of 12021131130312 in words is "twelve trillion, twenty-one billion, one hundred thirty-one million, one hundred thirty thousand, three hundred twelve".