201212010099 has 12 divisors (see below), whose sum is σ = 290645454112. Its totient is φ = 134138624400.

The previous prime is 201212010089. The next prime is 201212010101. The reversal of 201212010099 is 990010212102.

It is not a de Polignac number, because 201212010099 - 2¹⁷ = 201211879027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201212010089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309789 + ... + 705969.

Almost surely, 2^201212010099 is an apocalyptic number.

201212010099 is a deficient number, since it is larger than the sum of its proper divisors (89433444013).

201212010099 is a wasteful number, since it uses less digits than its factorization.

201212010099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452618 (or 452615 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 201212010099 in words is "two hundred one billion, two hundred twelve million, ten thousand, ninety-nine".