212120100110202 has 128 divisors (see below), whose sum is σ = 437564219719680. Its totient is φ = 68519092190400.

The previous prime is 212120100110197. The next prime is 212120100110209. The reversal of 212120100110202 is 202011001021212.

It is not an unprimeable number, because it can be changed into a prime (212120100110209) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49805139949 + ... + 49805144207.

It is an arithmetic number, because the mean of its divisors is an integer number (3418470466560).

Almost surely, 2^{212120100110202} is an apocalyptic number.

212120100110202 is an abundant number, since it is smaller than the sum of its proper divisors (225444119609478).

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

212120100110202 is a wasteful number, since it uses less digits than its factorization.

212120100110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8016.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212120100110202 its reverse (202011001021212), we get a palindrome (414131101131414).

The spelling of 212120100110202 in words is "two hundred twelve trillion, one hundred twenty billion, one hundred million, one hundred ten thousand, two hundred two".