212112120020102 has 32 divisors (see below), whose sum is σ = 326553739327200. Its totient is φ = 103296146054400.

The previous prime is 212112120020057. The next prime is 212112120020137. The reversal of 212112120020102 is 201020021211212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16439777 + ... + 26353187.

It is an arithmetic number, because the mean of its divisors is an integer number (10204804353975).

Almost surely, 2^{212112120020102} is an apocalyptic number.

212112120020102 is a deficient number, since it is larger than the sum of its proper divisors (114441619307098).

212112120020102 is a wasteful number, since it uses less digits than its factorization.

212112120020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9915192.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212112120020102 its reverse (201020021211212), we get a palindrome (413132141231314).

The spelling of 212112120020102 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred twenty million, twenty thousand, one hundred two".