22002002001212 has 24 divisors (see below), whose sum is σ = 40771071774720. Its totient is φ = 10353208678400.

The previous prime is 22002002001197. The next prime is 22002002001319. The reversal of 22002002001212 is 21210020020022.

It is a super-3 number, since 3×22002002001212³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9488789 + ... + 11577612.

It is an arithmetic number, because the mean of its divisors is an integer number (1698794657280).

Almost surely, 2^{22002002001212} is an apocalyptic number.

It is an amenable number.

22002002001212 is a deficient number, since it is larger than the sum of its proper divisors (18769069773508).

22002002001212 is a wasteful number, since it uses less digits than its factorization.

22002002001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21081781 (or 21081779 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22002002001212 its reverse (21210020020022), we get a palindrome (43212022021234).

The spelling of 22002002001212 in words is "twenty-two trillion, two billion, two million, one thousand, two hundred twelve".