212102020102012 has 48 divisors (see below), whose sum is σ = 384357299558400. Its totient is φ = 102307376738880.

The previous prime is 212102020102009. The next prime is 212102020102019. The reversal of 212102020102012 is 210201020201212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212102020102019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123300943 + ... + 125009305.

It is an arithmetic number, because the mean of its divisors is an integer number (8007443740800).

Almost surely, 2^{212102020102012} is an apocalyptic number.

It is an amenable number.

212102020102012 is a deficient number, since it is larger than the sum of its proper divisors (172255279456388).

212102020102012 is a wasteful number, since it uses less digits than its factorization.

212102020102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711546 (or 1711544 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212102020102012 its reverse (210201020201212), we get a palindrome (422303040303224).

The spelling of 212102020102012 in words is "two hundred twelve trillion, one hundred two billion, twenty million, one hundred two thousand, twelve".