221212002000212 has 48 divisors (see below), whose sum is σ = 414529553902464. Its totient is φ = 103035863040000.

The previous prime is 221212002000203. The next prime is 221212002000299. The reversal of 221212002000212 is 212000200212122.

It is a happy number.

221212002000212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 49199789 + ... + 53507412.

It is an arithmetic number, because the mean of its divisors is an integer number (8636032372968).

Almost surely, 2^{221212002000212} is an apocalyptic number.

It is an amenable number.

221212002000212 is a deficient number, since it is larger than the sum of its proper divisors (193317551902252).

221212002000212 is a wasteful number, since it uses less digits than its factorization.

221212002000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102707840 (or 102707838 counting only the distinct ones).

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

Adding to 221212002000212 its reverse (212000200212122), we get a palindrome (433212202212334).

The spelling of 221212002000212 in words is "two hundred twenty-one trillion, two hundred twelve billion, two million, two hundred twelve", and thus it is an aban number.