102202110212 has 12 divisors (see below), whose sum is σ = 189374498460. Its totient is φ = 48095110656.

The previous prime is 102202110209. The next prime is 102202110233. The reversal of 102202110212 is 212011202201.

It can be written as a sum of positive squares in 2 ways, for example, as 88575283456 + 13626826756 = 297616^2 + 116734^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751486037 + ... + 751486172.

It is an arithmetic number, because the mean of its divisors is an integer number (15781208205).

Almost surely, 2^102202110212 is an apocalyptic number.

It is an amenable number.

102202110212 is a deficient number, since it is larger than the sum of its proper divisors (87172388248).

102202110212 is a wasteful number, since it uses less digits than its factorization.

102202110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502972230 (or 1502972228 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102202110212 its reverse (212011202201), we get a palindrome (314213312413).

The spelling of 102202110212 in words is "one hundred two billion, two hundred two million, one hundred ten thousand, two hundred twelve".