210112010101212 has 24 divisors (see below), whose sum is σ = 507166920934800. Its totient is φ = 67622256124416.

The previous prime is 210112010101181. The next prime is 210112010101271. The reversal of 210112010101212 is 212101010211012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210112010101191 and 210112010101200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301885071637 + ... + 301885072332.

It is an arithmetic number, because the mean of its divisors is an integer number (21131955038950).

Almost surely, 2^{210112010101212} is an apocalyptic number.

It is an amenable number.

210112010101212 is an abundant number, since it is smaller than the sum of its proper divisors (297054910833588).

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

210112010101212 is a wasteful number, since it uses less digits than its factorization.

210112010101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603770144005 (or 603770144003 counting only the distinct ones).

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

Adding to 210112010101212 its reverse (212101010211012), we get a palindrome (422213020312224).

The spelling of 210112010101212 in words is "two hundred ten trillion, one hundred twelve billion, ten million, one hundred one thousand, two hundred twelve".