102212101210 has 32 divisors (see below), whose sum is σ = 186545987280. Its totient is φ = 40315281408.

The previous prime is 102212101207. The next prime is 102212101319. The reversal of 102212101210 is 12101212201.

It can be written as a sum of positive squares in 8 ways, for example, as 79434349281 + 22777751929 = 281841^2 + 150923^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3642594 + ... + 3670546.

Almost surely, 2^102212101210 is an apocalyptic number.

102212101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102212101210 is a deficient number, since it is larger than the sum of its proper divisors (84333886070).

102212101210 is a wasteful number, since it uses less digits than its factorization.

102212101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33042.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102212101210 its reverse (12101212201), we get a palindrome (114313313411).

It can be divided in two parts, 10221210 and 1210, that multiplied together give a square (12367664100 = 111210²).

The spelling of 102212101210 in words is "one hundred two billion, two hundred twelve million, one hundred one thousand, two hundred ten".