102212101012312 has 24 divisors (see below), whose sum is σ = 203584223690460. Its totient is φ = 48099812240000.

The previous prime is 102212101012279. The next prime is 102212101012327. The reversal of 102212101012312 is 213210101212201.

It is a self number, because there is not a number n which added to its sum of digits gives 102212101012312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22104690814 + ... + 22104695437.

Almost surely, 2^{102212101012312} is an apocalyptic number.

It is an amenable number.

102212101012312 is a deficient number, since it is larger than the sum of its proper divisors (101372122678148).

102212101012312 is a wasteful number, since it uses less digits than its factorization.

102212101012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44209386291 (or 44209386270 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 102212101012312 its reverse (213210101212201), we get a palindrome (315422202224513).

The spelling of 102212101012312 in words is "one hundred two trillion, two hundred twelve billion, one hundred one million, twelve thousand, three hundred twelve".