221002211210012 has 48 divisors (see below), whose sum is σ = 395928866930688. Its totient is φ = 107891059558080.

The previous prime is 221002211210003. The next prime is 221002211210057. The reversal of 221002211210012 is 210012112200122.

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, 347969462 + ... + 348604002.

It is an arithmetic number, because the mean of its divisors is an integer number (8248518061056).

Almost surely, 2^{221002211210012} is an apocalyptic number.

It is an amenable number.

221002211210012 is a deficient number, since it is larger than the sum of its proper divisors (174926655720676).

221002211210012 is a wasteful number, since it uses less digits than its factorization.

221002211210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639026 (or 639024 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221002211210012 its reverse (210012112200122), we get a palindrome (431014323410134).

The spelling of 221002211210012 in words is "two hundred twenty-one trillion, two billion, two hundred eleven million, two hundred ten thousand, twelve".