199022123399997 has 16 divisors (see below), whose sum is σ = 265850930331648. Its totient is φ = 132437575077360.

The previous prime is 199022123399993. The next prime is 199022123400041. The reversal of 199022123399997 is 799993321220991.

It is not a de Polignac number, because 199022123399997 - 2² = 199022123399993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199022123399993) 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, 22320813 + ... + 29937650.

It is an arithmetic number, because the mean of its divisors is an integer number (16615683145728).

Almost surely, 2^{199022123399997} is an apocalyptic number.

It is an amenable number.

199022123399997 is a deficient number, since it is larger than the sum of its proper divisors (66828806931651).

199022123399997 is a wasteful number, since it uses less digits than its factorization.

199022123399997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52260800.

The product of its (nonzero) digits is 267846264, while the sum is 75.

The spelling of 199022123399997 in words is "one hundred ninety-nine trillion, twenty-two billion, one hundred twenty-three million, three hundred ninety-nine thousand, nine hundred ninety-seven".