102212023202 has 4 divisors (see below), whose sum is σ = 153318034806. Its totient is φ = 51106011600.

The previous prime is 102212023187. The next prime is 102212023237. The reversal of 102212023202 is 202320212201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 74649714841 + 27562308361 = 273221^2 + 166019^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25553005799 + ... + 25553005802.

Almost surely, 2^102212023202 is an apocalyptic number.

102212023202 is a deficient number, since it is larger than the sum of its proper divisors (51106011604).

102212023202 is an equidigital number, since it uses as much as digits as its factorization.

102212023202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51106011603.

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

Adding to 102212023202 its reverse (202320212201), we get a palindrome (304532235403).

The spelling of 102212023202 in words is "one hundred two billion, two hundred twelve million, twenty-three thousand, two hundred two".