122001220109998 has 8 divisors (see below), whose sum is σ = 187465289437440. Its totient is φ = 59512790297520.

The previous prime is 122001220109969. The next prime is 122001220109999. The reversal of 122001220109998 is 899901022100221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001220109999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743909878638 + ... + 743909878801.

It is an arithmetic number, because the mean of its divisors is an integer number (23433161179680).

Almost surely, 2^{122001220109998} is an apocalyptic number.

122001220109998 is a deficient number, since it is larger than the sum of its proper divisors (65464069327442).

122001220109998 is a wasteful number, since it uses less digits than its factorization.

122001220109998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487819757482.

The product of its (nonzero) digits is 93312, while the sum is 46.

The spelling of 122001220109998 in words is "one hundred twenty-two trillion, one billion, two hundred twenty million, one hundred nine thousand, nine hundred ninety-eight".