102202100210212 has 6 divisors (see below), whose sum is σ = 178853675367878. Its totient is φ = 51101050105104.

The previous prime is 102202100210137. The next prime is 102202100210263. The reversal of 102202100210212 is 212012001202201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 65038031227456 + 37164068982756 = 8064616^2 + 6096234^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12775262526273 + ... + 12775262526280.

Almost surely, 2^{102202100210212} is an apocalyptic number.

It is an amenable number.

102202100210212 is a deficient number, since it is larger than the sum of its proper divisors (76651575157666).

102202100210212 is a wasteful number, since it uses less digits than its factorization.

102202100210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25550525052557 (or 25550525052555 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102202100210212 its reverse (212012001202201), we get a palindrome (314214101412413).

The spelling of 102202100210212 in words is "one hundred two trillion, two hundred two billion, one hundred million, two hundred ten thousand, two hundred twelve".