210211220212 has 48 divisors (see below), whose sum is σ = 430840771200. Its totient is φ = 87859699200.

The previous prime is 210211220203. The next prime is 210211220239. The reversal of 210211220212 is 212022112012.

It is a happy number.

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, 3101664 + ... + 3168712.

It is an arithmetic number, because the mean of its divisors is an integer number (8975849400).

Almost surely, 2^210211220212 is an apocalyptic number.

It is an amenable number.

210211220212 is an abundant number, since it is smaller than the sum of its proper divisors (220629550988).

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

210211220212 is a wasteful number, since it uses less digits than its factorization.

210211220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69832 (or 69830 counting only the distinct ones).

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

Adding to 210211220212 its reverse (212022112012), we get a palindrome (422233332224).

The spelling of 210211220212 in words is "two hundred ten billion, two hundred eleven million, two hundred twenty thousand, two hundred twelve".