212012101012110 has 64 divisors (see below), whose sum is σ = 585763569257472. Its totient is φ = 48106186834176.

The previous prime is 212012101011967. The next prime is 212012101012177. The reversal of 212012101012110 is 11210101210212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212012101012110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3684575002 + ... + 3684632541.

It is an arithmetic number, because the mean of its divisors is an integer number (9152555769648).

Almost surely, 2^{212012101012110} is an apocalyptic number.

212012101012110 is an abundant number, since it is smaller than the sum of its proper divisors (373751468245362).

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

212012101012110 is a wasteful number, since it uses less digits than its factorization.

212012101012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7369207697.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212012101012110 its reverse (11210101210212), we get a palindrome (223222202222322).

The spelling of 212012101012110 in words is "two hundred twelve trillion, twelve billion, one hundred one million, twelve thousand, one hundred ten".