100200123231999 has 64 divisors (see below), whose sum is σ = 161242061045760. Its totient is φ = 54068385980160.

The previous prime is 100200123231979. The next prime is 100200123232007. The reversal of 100200123231999 is 999132321002001.

It is not a de Polignac number, because 100200123231999 - 2⁹ = 100200123231487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100200123231999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100200123231979) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 188384422 + ... + 188915564.

It is an arithmetic number, because the mean of its divisors is an integer number (2519407203840).

Almost surely, 2^{100200123231999} is an apocalyptic number.

100200123231999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

100200123231999 is a deficient number, since it is larger than the sum of its proper divisors (61041937813761).

100200123231999 is a wasteful number, since it uses less digits than its factorization.

100200123231999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532700.

The product of its (nonzero) digits is 52488, while the sum is 42.

The spelling of 100200123231999 in words is "one hundred trillion, two hundred billion, one hundred twenty-three million, two hundred thirty-one thousand, nine hundred ninety-nine".