212103220323210 has 64 divisors (see below), whose sum is σ = 509798830786560. Its totient is φ = 56477438740800.

The previous prime is 212103220323209. The next prime is 212103220323223. The reversal of 212103220323210 is 12323022301212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93965811 + ... + 96196569.

It is an arithmetic number, because the mean of its divisors is an integer number (7965606731040).

Almost surely, 2^{212103220323210} is an apocalyptic number.

212103220323210 is an abundant number, since it is smaller than the sum of its proper divisors (297695610463350).

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

212103220323210 is a wasteful number, since it uses less digits than its factorization.

212103220323210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235443.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 212103220323210 its reverse (12323022301212), we get a palindrome (224426242624422).

The spelling of 212103220323210 in words is "two hundred twelve trillion, one hundred three billion, two hundred twenty million, three hundred twenty-three thousand, two hundred ten".