212021010999999 has 40 divisors (see below), whose sum is σ = 319690484310912. Its totient is φ = 140028471599760.

The previous prime is 212021010999947. The next prime is 212021011000013. The reversal of 212021010999999 is 999999010120212.

It is not a de Polignac number, because 212021010999999 - 2¹⁹ = 212021010475711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021010999199) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21711469 + ... + 29923734.

Almost surely, 2^{212021010999999} is an apocalyptic number.

212021010999999 is a deficient number, since it is larger than the sum of its proper divisors (107669473310913).

212021010999999 is a wasteful number, since it uses less digits than its factorization.

212021010999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51635689 (or 51635680 counting only the distinct ones).

The product of its (nonzero) digits is 4251528, while the sum is 63.

The spelling of 212021010999999 in words is "two hundred twelve trillion, twenty-one billion, ten million, nine hundred ninety-nine thousand, nine hundred ninety-nine".