12020200031231 has 12 divisors (see below), whose sum is σ = 14118435865872. Its totient is φ = 10202999190048.

The previous prime is 12020200031167. The next prime is 12020200031237. The reversal of 12020200031231 is 13213000202021.

It is not a de Polignac number, because 12020200031231 - 2⁶ = 12020200031167 is a prime.

It is a super-3 number, since 3×12020200031231³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020200031237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1190821190 + ... + 1190831283.

It is an arithmetic number, because the mean of its divisors is an integer number (1176536322156).

Almost surely, 2^{12020200031231} is an apocalyptic number.

12020200031231 is a deficient number, since it is larger than the sum of its proper divisors (2098235834641).

12020200031231 is a wasteful number, since it uses less digits than its factorization.

12020200031231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381652590 (or 2381652583 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12020200031231 its reverse (13213000202021), we get a palindrome (25233200233252).

The spelling of 12020200031231 in words is "twelve trillion, twenty billion, two hundred million, thirty-one thousand, two hundred thirty-one".