102202323212 has 24 divisors (see below), whose sum is σ = 195615136080. Its totient is φ = 46336170560.

The previous prime is 102202323191. The next prime is 102202323221. The reversal of 102202323212 is 212323202201.

It is a happy number.

It is a super-2 number, since 2×102202323212² (a number of 23 digits) contains 22 as substring.

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, 2968463 + ... + 3002694.

It is an arithmetic number, because the mean of its divisors is an integer number (8150630670).

Almost surely, 2^102202323212 is an apocalyptic number.

It is an amenable number.

102202323212 is a deficient number, since it is larger than the sum of its proper divisors (93412812868).

102202323212 is a wasteful number, since it uses less digits than its factorization.

102202323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5971561 (or 5971559 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 102202323212 its reverse (212323202201), we get a palindrome (314525525413).

The spelling of 102202323212 in words is "one hundred two billion, two hundred two million, three hundred twenty-three thousand, two hundred twelve".