202130999999 has 8 divisors (see below), whose sum is σ = 207619547520. Its totient is φ = 196715148696.

The previous prime is 202130999989. The next prime is 202131000013. The reversal of 202130999999 is 999999031202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202130999999 is a prime.

It is a Duffinian number.

202130999999 is a modest number, since divided by 999999 gives 202130 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202130999969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18168419 + ... + 18179540.

It is an arithmetic number, because the mean of its divisors is an integer number (25952443440).

Almost surely, 2^202130999999 is an apocalyptic number.

202130999999 is a deficient number, since it is larger than the sum of its proper divisors (5488547521).

202130999999 is an equidigital number, since it uses as much as digits as its factorization.

202130999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36348109.

The product of its (nonzero) digits is 6377292, while the sum is 62.

The spelling of 202130999999 in words is "two hundred two billion, one hundred thirty million, nine hundred ninety-nine thousand, nine hundred ninety-nine".