199980690012 has 36 divisors (see below), whose sum is σ = 505539792576. Its totient is φ = 66655872000.

The previous prime is 199980690001. The next prime is 199980690059. The reversal of 199980690012 is 210096089991.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 402453 + ... + 749619.

It is an arithmetic number, because the mean of its divisors is an integer number (14042772016).

Almost surely, 2^199980690012 is an apocalyptic number.

199980690012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

199980690012 is an abundant number, since it is smaller than the sum of its proper divisors (305559102564).

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

199980690012 is a wasteful number, since it uses less digits than its factorization.

199980690012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363178 (or 363173 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 54.

The spelling of 199980690012 in words is "one hundred ninety-nine billion, nine hundred eighty million, six hundred ninety thousand, twelve".