102022200021212 has 12 divisors (see below), whose sum is σ = 181564932241560. Its totient is φ = 50146505095056.

The previous prime is 102022200021187. The next prime is 102022200021229. The reversal of 102022200021212 is 212120002220201.

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 3 ways as a sum of consecutive naturals, for example, 216148728623 + ... + 216148729094.

It is an arithmetic number, because the mean of its divisors is an integer number (15130411020130).

Almost surely, 2^{102022200021212} is an apocalyptic number.

It is an amenable number.

102022200021212 is a deficient number, since it is larger than the sum of its proper divisors (79542732220348).

102022200021212 is a wasteful number, since it uses less digits than its factorization.

102022200021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432297457780 (or 432297457778 counting only the distinct ones).

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

Adding to 102022200021212 its reverse (212120002220201), we get a palindrome (314142202241413).

The spelling of 102022200021212 in words is "one hundred two trillion, twenty-two billion, two hundred million, twenty-one thousand, two hundred twelve".