101212011222112 has 48 divisors (see below), whose sum is σ = 227787288341760. Its totient is φ = 43365097554048.

The previous prime is 101212011222073. The next prime is 101212011222137. The reversal of 101212011222112 is 211222110212101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 101212011222112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58936428 + ... + 60629419.

It is an arithmetic number, because the mean of its divisors is an integer number (4745568507120).

Almost surely, 2^{101212011222112} is an apocalyptic number.

It is an amenable number.

101212011222112 is an abundant number, since it is smaller than the sum of its proper divisors (126575277119648).

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

101212011222112 is a wasteful number, since it uses less digits than its factorization.

101212011222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119569643 (or 119569635 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 101212011222112 its reverse (211222110212101), we get a palindrome (312434121434213).

The spelling of 101212011222112 in words is "one hundred one trillion, two hundred twelve billion, eleven million, two hundred twenty-two thousand, one hundred twelve".