212102120210 has 32 divisors (see below), whose sum is σ = 392617238400. Its totient is φ = 82465736320.

The previous prime is 212102120207. The next prime is 212102120227. The reversal of 212102120210 is 12021201212.

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, 1967126 + ... + 2072145.

It is an arithmetic number, because the mean of its divisors is an integer number (12269288700).

Almost surely, 2^212102120210 is an apocalyptic number.

212102120210 is a deficient number, since it is larger than the sum of its proper divisors (180515118190).

212102120210 is a wasteful number, since it uses less digits than its factorization.

212102120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039426.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212102120210 its reverse (12021201212), we get a palindrome (224123321422).

The spelling of 212102120210 in words is "two hundred twelve billion, one hundred two million, one hundred twenty thousand, two hundred ten".