122021200998 has 12 divisors (see below), whose sum is σ = 264379268868. Its totient is φ = 40673733660.

The previous prime is 122021200997. The next prime is 122021200999. The reversal of 122021200998 is 899002120221.

It is an interprime number because it is at equal distance from previous prime (122021200997) and next prime (122021200999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021200997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3389477788 + ... + 3389477823.

It is an arithmetic number, because the mean of its divisors is an integer number (22031605739).

Almost surely, 2^122021200998 is an apocalyptic number.

122021200998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

122021200998 is an abundant number, since it is smaller than the sum of its proper divisors (142358067870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122021200998 is a wasteful number, since it uses less digits than its factorization.

122021200998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6778955619 (or 6778955616 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 122021200998 in words is "one hundred twenty-two billion, twenty-one million, two hundred thousand, nine hundred ninety-eight".