122012210987 has 2 divisors, whose sum is σ = 122012210988. Its totient is φ = 122012210986.

The previous prime is 122012210933. The next prime is 122012211071. The reversal of 122012210987 is 789012210221.

It is a weak prime.

It is an emirp because it is prime and its reverse (789012210221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122012210987 - 2⁶ = 122012210923 is a prime.

It is not a weakly prime, because it can be changed into another prime (122012210687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006105493 + 61006105494.

It is an arithmetic number, because the mean of its divisors is an integer number (61006105494).

Almost surely, 2^122012210987 is an apocalyptic number.

122012210987 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012210987 is an equidigital number, since it uses as much as digits as its factorization.

122012210987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 122012210987 in words is "one hundred twenty-two billion, twelve million, two hundred ten thousand, nine hundred eighty-seven".