12021303131232 has 24 divisors (see below), whose sum is σ = 31555920719736. Its totient is φ = 4007101043712.

The previous prime is 12021303131231. The next prime is 12021303131323. The reversal of 12021303131232 is 23213130312021.

12021303131232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021303131231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62610953713 + ... + 62610953904.

It is an arithmetic number, because the mean of its divisors is an integer number (1314830029989).

Almost surely, 2^{12021303131232} is an apocalyptic number.

12021303131232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12021303131232 is an abundant number, since it is smaller than the sum of its proper divisors (19534617588504).

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

12021303131232 is a wasteful number, since it uses less digits than its factorization.

12021303131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125221907630 (or 125221907622 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12021303131232 its reverse (23213130312021), we get a palindrome (35234433443253).

The spelling of 12021303131232 in words is "twelve trillion, twenty-one billion, three hundred three million, one hundred thirty-one thousand, two hundred thirty-two".