102012302312 has 16 divisors (see below), whose sum is σ = 191282523300. Its totient is φ = 51003629440.

The previous prime is 102012302309. The next prime is 102012302323. The reversal of 102012302312 is 213203210201.

It can be written as a sum of positive squares in 2 ways, for example, as 84910463236 + 17101839076 = 291394^2 + 130774^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137387 + ... + 472122.

Almost surely, 2^102012302312 is an apocalyptic number.

It is an amenable number.

102012302312 is a deficient number, since it is larger than the sum of its proper divisors (89270220988).

102012302312 is a wasteful number, since it uses less digits than its factorization.

102012302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630436 (or 630432 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 102012302312 its reverse (213203210201), we get a palindrome (315215512513).

The spelling of 102012302312 in words is "one hundred two billion, twelve million, three hundred two thousand, three hundred twelve".