210210202211212 has 24 divisors (see below), whose sum is σ = 420421991189760. Its totient is φ = 90089746640400.

The previous prime is 210210202211183. The next prime is 210210202211227. The reversal of 210210202211212 is 212112202012012.

It is a super-2 number, since 2×210210202211212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210210202211212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6544414 + ... + 21523237.

It is an arithmetic number, because the mean of its divisors is an integer number (17517582966240).

Almost surely, 2^{210210202211212} is an apocalyptic number.

It is an amenable number.

210210202211212 is an abundant number, since it is smaller than the sum of its proper divisors (210211788978548).

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

210210202211212 is a wasteful number, since it uses less digits than its factorization.

210210202211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28335141 (or 28335139 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210210202211212 its reverse (212112202012012), we get a palindrome (422322404223224).

The spelling of 210210202211212 in words is "two hundred ten trillion, two hundred ten billion, two hundred two million, two hundred eleven thousand, two hundred twelve".