212201221002 has 32 divisors (see below), whose sum is σ = 425577136320. Its totient is φ = 70538223360.

The previous prime is 212201220997. The next prime is 212201221013. The reversal of 212201221002 is 200122102212.

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, 3239608 + ... + 3304460.

It is an arithmetic number, because the mean of its divisors is an integer number (13299285510).

Almost surely, 2^212201221002 is an apocalyptic number.

212201221002 is an abundant number, since it is smaller than the sum of its proper divisors (213375915318).

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

212201221002 is a wasteful number, since it uses less digits than its factorization.

212201221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66358.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212201221002 its reverse (200122102212), we get a palindrome (412323323214).

The spelling of 212201221002 in words is "two hundred twelve billion, two hundred one million, two hundred twenty-one thousand, two".