22200120201212 has 24 divisors (see below), whose sum is σ = 40542352228896. Its totient is φ = 10616662476288.

The previous prime is 22200120201179. The next prime is 22200120201263. The reversal of 22200120201212 is 21210202100222.

It is a happy number.

It is a super-2 number, since 2×22200120201212² (a number of 27 digits) contains 22 as substring.

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, 7685453 + ... + 10171844.

It is an arithmetic number, because the mean of its divisors is an integer number (1689264676204).

Almost surely, 2^{22200120201212} is an apocalyptic number.

It is an amenable number.

22200120201212 is a deficient number, since it is larger than the sum of its proper divisors (18342232027684).

22200120201212 is a wasteful number, since it uses less digits than its factorization.

22200120201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17870837 (or 17870835 counting only the distinct ones).

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

Adding to 22200120201212 its reverse (21210202100222), we get a palindrome (43410322301434).

The spelling of 22200120201212 in words is "twenty-two trillion, two hundred billion, one hundred twenty million, two hundred one thousand, two hundred twelve".