102220202001212 has 12 divisors (see below), whose sum is σ = 178937039557416. Its totient is φ = 51095333556240.

The previous prime is 102220202001209. The next prime is 102220202001223. The reversal of 102220202001212 is 212100202022201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3691845518 + ... + 3691873205.

It is an arithmetic number, because the mean of its divisors is an integer number (14911419963118).

Almost surely, 2^{102220202001212} is an apocalyptic number.

It is an amenable number.

102220202001212 is a deficient number, since it is larger than the sum of its proper divisors (76716837556204).

102220202001212 is a wasteful number, since it uses less digits than its factorization.

102220202001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7383722188 (or 7383722186 counting only the distinct ones).

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

Adding to 102220202001212 its reverse (212100202022201), we get a palindrome (314320404023413).

The spelling of 102220202001212 in words is "one hundred two trillion, two hundred twenty billion, two hundred two million, one thousand, two hundred twelve".