22201200101212 has 36 divisors (see below), whose sum is σ = 43306682792688. Its totient is φ = 9949321412800.

The previous prime is 22201200101183. The next prime is 22201200101239. The reversal of 22201200101212 is 21210100210222.

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 11 ways as a sum of consecutive naturals, for example, 322995553 + ... + 323064280.

It is an arithmetic number, because the mean of its divisors is an integer number (1202963410908).

Almost surely, 2^{22201200101212} is an apocalyptic number.

22201200101212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22201200101212 is a deficient number, since it is larger than the sum of its proper divisors (21105482691476).

22201200101212 is a wasteful number, since it uses less digits than its factorization.

22201200101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646059930 (or 646059917 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22201200101212 its reverse (21210100210222), we get a palindrome (43411300311434).

The spelling of 22201200101212 in words is "twenty-two trillion, two hundred one billion, two hundred million, one hundred one thousand, two hundred twelve".