20200210221212 has 18 divisors (see below), whose sum is σ = 41121856522152. Its totient is φ = 8657232951864.

The previous prime is 20200210221203. The next prime is 20200210221251. The reversal of 20200210221212 is 21212201200202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51531148328 + ... + 51531148719.

It is an arithmetic number, because the mean of its divisors is an integer number (2284547584564).

Almost surely, 2^{20200210221212} is an apocalyptic number.

It is an amenable number.

20200210221212 is an abundant number, since it is smaller than the sum of its proper divisors (20921646300940).

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

20200210221212 is a wasteful number, since it uses less digits than its factorization.

20200210221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103062297065 (or 103062297056 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20200210221212 its reverse (21212201200202), we get a palindrome (41412411421414).

The spelling of 20200210221212 in words is "twenty trillion, two hundred billion, two hundred ten million, two hundred twenty-one thousand, two hundred twelve".