210202121211212 has 48 divisors (see below), whose sum is σ = 399091080864000. Its totient is φ = 96298463131200.

The previous prime is 210202121211179. The next prime is 210202121211241. The reversal of 210202121211212 is 212112121202012.

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, 19904414 + ... + 28576037.

It is an arithmetic number, because the mean of its divisors is an integer number (8314397518000).

Almost surely, 2^{210202121211212} is an apocalyptic number.

It is an amenable number.

210202121211212 is a deficient number, since it is larger than the sum of its proper divisors (188888959652788).

210202121211212 is a wasteful number, since it uses less digits than its factorization.

210202121211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48481086 (or 48481084 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 210202121211212 its reverse (212112121202012), we get a palindrome (422314242413224).

The spelling of 210202121211212 in words is "two hundred ten trillion, two hundred two billion, one hundred twenty-one million, two hundred eleven thousand, two hundred twelve".