12020203131132 has 48 divisors (see below), whose sum is σ = 32067891215360. Its totient is φ = 3432842016192.

The previous prime is 12020203131107. The next prime is 12020203131163. The reversal of 12020203131132 is 23113130202021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12020203131099 and 12020203131108.

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, 31092907 + ... + 31477122.

Almost surely, 2^{12020203131132} is an apocalyptic number.

12020203131132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12020203131132 is an abundant number, since it is smaller than the sum of its proper divisors (20047688084228).

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

12020203131132 is a wasteful number, since it uses less digits than its factorization.

12020203131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62572330 (or 62572328 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12020203131132 its reverse (23113130202021), we get a palindrome (35133333333153).

The spelling of 12020203131132 in words is "twelve trillion, twenty billion, two hundred three million, one hundred thirty-one thousand, one hundred thirty-two".