102130112212 has 6 divisors (see below), whose sum is σ = 178727696378. Its totient is φ = 51065056104.

The previous prime is 102130112207. The next prime is 102130112213. The reversal of 102130112212 is 212211031201.

It can be written as a sum of positive squares in only one way, i.e., 82216386756 + 19913725456 = 286734^2 + 141116^2 .

It is a super-3 number, since 3×102130112212³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102130112213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12766264023 + ... + 12766264030.

Almost surely, 2^102130112212 is an apocalyptic number.

It is an amenable number.

102130112212 is a deficient number, since it is larger than the sum of its proper divisors (76597584166).

102130112212 is a wasteful number, since it uses less digits than its factorization.

102130112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25532528057 (or 25532528055 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102130112212 its reverse (212211031201), we get a palindrome (314341143413).

The spelling of 102130112212 in words is "one hundred two billion, one hundred thirty million, one hundred twelve thousand, two hundred twelve".