210000012212091 has 16 divisors (see below), whose sum is σ = 294737193072000. Its totient is φ = 132631436438208.

The previous prime is 210000012212077. The next prime is 210000012212153. The reversal of 210000012212091 is 190212210000012.

It is not a de Polignac number, because 210000012212091 - 2¹⁷ = 210000012081019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210000012212791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70854460 + ... + 73758758.

It is an arithmetic number, because the mean of its divisors is an integer number (18421074567000).

Almost surely, 2^{210000012212091} is an apocalyptic number.

210000012212091 is a deficient number, since it is larger than the sum of its proper divisors (84737180859909).

210000012212091 is a wasteful number, since it uses less digits than its factorization.

210000012212091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172858.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 210000012212091 in words is "two hundred ten trillion, twelve million, two hundred twelve thousand, ninety-one".