122012210687 has 2 divisors, whose sum is σ = 122012210688. Its totient is φ = 122012210686.

The previous prime is 122012210647. The next prime is 122012210693. The reversal of 122012210687 is 786012210221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122012210687 - 2²⁶ = 121945101823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122012210647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006105343 + 61006105344.

It is an arithmetic number, because the mean of its divisors is an integer number (61006105344).

Almost surely, 2^122012210687 is an apocalyptic number.

122012210687 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012210687 is an equidigital number, since it uses as much as digits as its factorization.

122012210687 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 32.

The spelling of 122012210687 in words is "one hundred twenty-two billion, twelve million, two hundred ten thousand, six hundred eighty-seven".