12312020022187 has 2 divisors, whose sum is σ = 12312020022188. Its totient is φ = 12312020022186.

The previous prime is 12312020022121. The next prime is 12312020022241. The reversal of 12312020022187 is 78122002021321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12312020022187 is a prime.

It is not a weakly prime, because it can be changed into another prime (12312020062187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156010011093 + 6156010011094.

It is an arithmetic number, because the mean of its divisors is an integer number (6156010011094).

Almost surely, 2^{12312020022187} is an apocalyptic number.

12312020022187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312020022187 is an equidigital number, since it uses as much as digits as its factorization.

12312020022187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 12312020022187 in words is "twelve trillion, three hundred twelve billion, twenty million, twenty-two thousand, one hundred eighty-seven".