10212099980 has 48 divisors (see below), whose sum is σ = 22148394240. Its totient is φ = 3951072000.

The previous prime is 10212099979. The next prime is 10212099983. The reversal of 10212099980 is 8999021201.

10212099980 = 18135² + 18136² + ... + 18165².

It is not an unprimeable number, because it can be changed into a prime (10212099983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1999430 + ... + 2004530.

It is an arithmetic number, because the mean of its divisors is an integer number (461424880).

Almost surely, 2^10212099980 is an apocalyptic number.

10212099980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212099980 is an abundant number, since it is smaller than the sum of its proper divisors (11936294260).

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

10212099980 is a wasteful number, since it uses less digits than its factorization.

10212099980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8370 (or 8368 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 10212099980 in words is "ten billion, two hundred twelve million, ninety-nine thousand, nine hundred eighty".