12000202111231 has 2 divisors, whose sum is σ = 12000202111232. Its totient is φ = 12000202111230.

The previous prime is 12000202111223. The next prime is 12000202111351. The reversal of 12000202111231 is 13211120200021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12000202111231 - 2³ = 12000202111223 is a prime.

It is a super-2 number, since 2×12000202111231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12000202111531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000101055615 + 6000101055616.

It is an arithmetic number, because the mean of its divisors is an integer number (6000101055616).

Almost surely, 2^{12000202111231} is an apocalyptic number.

12000202111231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000202111231 is an equidigital number, since it uses as much as digits as its factorization.

12000202111231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12000202111231 its reverse (13211120200021), we get a palindrome (25211322311252).

The spelling of 12000202111231 in words is "twelve trillion, two hundred two million, one hundred eleven thousand, two hundred thirty-one".