212120110201012 has 24 divisors (see below), whose sum is σ = 423280400900616. Its totient is φ = 92142672304128.

The previous prime is 212120110201007. The next prime is 212120110201037. The reversal of 212120110201012 is 210102011021212.

It can be written as a sum of positive squares in 4 ways, for example, as 8025628366116 + 204094481834896 = 2832954^2 + 14286164^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119977437013 + ... + 119977438780.

It is an arithmetic number, because the mean of its divisors is an integer number (17636683370859).

Almost surely, 2^{212120110201012} is an apocalyptic number.

It is an amenable number.

212120110201012 is a deficient number, since it is larger than the sum of its proper divisors (211160290699604).

212120110201012 is a wasteful number, since it uses less digits than its factorization.

212120110201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239954875827 (or 239954875825 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212120110201012 its reverse (210102011021212), we get a palindrome (422222121222224).

The spelling of 212120110201012 in words is "two hundred twelve trillion, one hundred twenty billion, one hundred ten million, two hundred one thousand, twelve".