212102211201018 has 8 divisors (see below), whose sum is σ = 424204422402048. Its totient is φ = 70700737067004.

The previous prime is 212102211200981. The next prime is 212102211201037. The reversal of 212102211201018 is 810102112201212.

It is a sphenic number, since it is the product of 3 distinct primes.

212102211201018 is an admirable number.

It is a super-2 number, since 2×212102211201018² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17675184266746 + ... + 17675184266757.

It is an arithmetic number, because the mean of its divisors is an integer number (53025552800256).

Almost surely, 2^{212102211201018} is an apocalyptic number.

212102211201018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212102211201018 is a wasteful number, since it uses less digits than its factorization.

212102211201018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35350368533508.

The product of its (nonzero) digits is 256, while the sum is 24.

The spelling of 212102211201018 in words is "two hundred twelve trillion, one hundred two billion, two hundred eleven million, two hundred one thousand, eighteen".