122230221987 has 16 divisors (see below), whose sum is σ = 166501071360. Its totient is φ = 79724342112.

The previous prime is 122230221983. The next prime is 122230222013. The reversal of 122230221987 is 789122032221.

It is not a de Polignac number, because 122230221987 - 2² = 122230221983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122230221983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240589 + ... + 549857.

It is an arithmetic number, because the mean of its divisors is an integer number (10406316960).

Almost surely, 2^122230221987 is an apocalyptic number.

122230221987 is a deficient number, since it is larger than the sum of its proper divisors (44270849373).

122230221987 is a wasteful number, since it uses less digits than its factorization.

122230221987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312122.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 122230221987 in words is "one hundred twenty-two billion, two hundred thirty million, two hundred twenty-one thousand, nine hundred eighty-seven".