211212002111202 has 96 divisors (see below), whose sum is σ = 505625492840832. Its totient is φ = 63379960883712.

The previous prime is 211212002111191. The next prime is 211212002111239. The reversal of 211212002111202 is 202111200212112.

211212002111202 is a `hidden beast` number, since 211 + 2 + 120 + 0 + 211 + 120 + 2 = 666.

It is a super-2 number, since 2×211212002111202² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285563488 + ... + 286302164.

It is an arithmetic number, because the mean of its divisors is an integer number (5266932217092).

Almost surely, 2^{211212002111202} is an apocalyptic number.

211212002111202 is an abundant number, since it is smaller than the sum of its proper divisors (294413490729630).

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

211212002111202 is a wasteful number, since it uses less digits than its factorization.

211212002111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779352 (or 779349 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211212002111202 its reverse (202111200212112), we get a palindrome (413323202323314).

The spelling of 211212002111202 in words is "two hundred eleven trillion, two hundred twelve billion, two million, one hundred eleven thousand, two hundred two".