212010101222112 has 72 divisors (see below), whose sum is σ = 603726241265784. Its totient is φ = 70573621618944.

The previous prime is 212010101222099. The next prime is 212010101222113. The reversal of 212010101222112 is 211222101010212.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010101222113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 501934998 + ... + 502357205.

It is an arithmetic number, because the mean of its divisors is an integer number (8385086684247).

Almost surely, 2^{212010101222112} is an apocalyptic number.

It is an amenable number.

212010101222112 is an abundant number, since it is smaller than the sum of its proper divisors (391716140043672).

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

212010101222112 is a wasteful number, since it uses less digits than its factorization.

212010101222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004292952 (or 1004292941 counting only the distinct ones).

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

Adding to 212010101222112 its reverse (211222101010212), we get a palindrome (423232202232324).

The spelling of 212010101222112 in words is "two hundred twelve trillion, ten billion, one hundred one million, two hundred twenty-two thousand, one hundred twelve".