22122202001012 has 24 divisors (see below), whose sum is σ = 39435642931776. Its totient is φ = 10856776146048.

The previous prime is 22122202000907. The next prime is 22122202001041. The reversal of 22122202001012 is 21010020222122.

It is a happy number.

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, 237540458 + ... + 237633569.

It is an arithmetic number, because the mean of its divisors is an integer number (1643151788824).

Almost surely, 2^{22122202001012} is an apocalyptic number.

It is an amenable number.

22122202001012 is a deficient number, since it is larger than the sum of its proper divisors (17313440930764).

22122202001012 is a wasteful number, since it uses less digits than its factorization.

22122202001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475174247 (or 475174245 counting only the distinct ones).

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

Adding to 22122202001012 its reverse (21010020222122), we get a palindrome (43132222223134).

The spelling of 22122202001012 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred two million, one thousand, twelve".