12031132211220 has 48 divisors (see below), whose sum is σ = 33826951021248. Its totient is φ = 3194989463040.

The previous prime is 12031132211171. The next prime is 12031132211237. The reversal of 12031132211220 is 2211223113021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415999794 + ... + 416028713.

It is an arithmetic number, because the mean of its divisors is an integer number (704728146276).

Almost surely, 2^{12031132211220} is an apocalyptic number.

12031132211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031132211220 is an abundant number, since it is smaller than the sum of its proper divisors (21795818810028).

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

12031132211220 is a wasteful number, since it uses less digits than its factorization.

12031132211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832028760 (or 832028758 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12031132211220 its reverse (2211223113021), we get a palindrome (14242355324241).

The spelling of 12031132211220 in words is "twelve trillion, thirty-one billion, one hundred thirty-two million, two hundred eleven thousand, two hundred twenty".