12020202130312 has 32 divisors (see below), whose sum is σ = 23032443669120. Its totient is φ = 5878384211520.

The previous prime is 12020202130253. The next prime is 12020202130399. The reversal of 12020202130312 is 21303120202021.

It is a self number, because there is not a number n which added to its sum of digits gives 12020202130312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9864783 + ... + 11016094.

It is an arithmetic number, because the mean of its divisors is an integer number (719763864660).

Almost surely, 2^{12020202130312} is an apocalyptic number.

It is an amenable number.

12020202130312 is a deficient number, since it is larger than the sum of its proper divisors (11012241538808).

12020202130312 is a wasteful number, since it uses less digits than its factorization.

12020202130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20882461 (or 20882457 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12020202130312 its reverse (21303120202021), we get a palindrome (33323322332333).

The spelling of 12020202130312 in words is "twelve trillion, twenty billion, two hundred two million, one hundred thirty thousand, three hundred twelve".