102220022312 has 16 divisors (see below), whose sum is σ = 191791803840. Its totient is φ = 51075541296.

The previous prime is 102220022297. The next prime is 102220022369. The reversal of 102220022312 is 213220022201.

It is a super-2 number, since 2×102220022312² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4296128 + ... + 4319855.

It is an arithmetic number, because the mean of its divisors is an integer number (11986987740).

Almost surely, 2^102220022312 is an apocalyptic number.

It is an amenable number.

102220022312 is a deficient number, since it is larger than the sum of its proper divisors (89571781528).

102220022312 is a wasteful number, since it uses less digits than its factorization.

102220022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8617472 (or 8617468 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 102220022312 its reverse (213220022201), we get a palindrome (315440044513).

The spelling of 102220022312 in words is "one hundred two billion, two hundred twenty million, twenty-two thousand, three hundred twelve".