212020002201212 has 24 divisors (see below), whose sum is σ = 373526780923296. Its totient is φ = 105299820497088.

The previous prime is 212020002201209. The next prime is 212020002201253. The reversal of 212020002201212 is 212102200020212.

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 7 ways as a sum of consecutive naturals, for example, 218979368 + ... + 219945455.

It is an arithmetic number, because the mean of its divisors is an integer number (15563615871804).

Almost surely, 2^{212020002201212} is an apocalyptic number.

It is an amenable number.

212020002201212 is a deficient number, since it is larger than the sum of its proper divisors (161506778722084).

212020002201212 is a wasteful number, since it uses less digits than its factorization.

212020002201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438925637 (or 438925635 counting only the distinct ones).

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

Adding to 212020002201212 its reverse (212102200020212), we get a palindrome (424122202221424).

The spelling of 212020002201212 in words is "two hundred twelve trillion, twenty billion, two million, two hundred one thousand, two hundred twelve".