101212113112 has 16 divisors (see below), whose sum is σ = 207024777000. Its totient is φ = 46005505920.

The previous prime is 101212113047. The next prime is 101212113113. The reversal of 101212113112 is 211311212101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212113113) by changing a digit.

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, 575068737 + ... + 575068912.

Almost surely, 2^101212113112 is an apocalyptic number.

It is an amenable number.

101212113112 is an abundant number, since it is smaller than the sum of its proper divisors (105812663888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101212113112 is a wasteful number, since it uses less digits than its factorization.

101212113112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150137666 (or 1150137662 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 101212113112 its reverse (211311212101), we get a palindrome (312523325213).

The spelling of 101212113112 in words is "one hundred one billion, two hundred twelve million, one hundred thirteen thousand, one hundred twelve".