10111212001012 has 24 divisors (see below), whose sum is σ = 17710329833280. Its totient is φ = 5051119740480.

The previous prime is 10111212000947. The next prime is 10111212001019. The reversal of 10111212001012 is 21010021211101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10111212000983 and 10111212001001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111212001019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20397928 + ... + 20887744.

It is an arithmetic number, because the mean of its divisors is an integer number (737930409720).

Almost surely, 2^{10111212001012} is an apocalyptic number.

It is an amenable number.

10111212001012 is a deficient number, since it is larger than the sum of its proper divisors (7599117832268).

10111212001012 is a wasteful number, since it uses less digits than its factorization.

10111212001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494391 (or 494389 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10111212001012 its reverse (21010021211101), we get a palindrome (31121233212113).

The spelling of 10111212001012 in words is "ten trillion, one hundred eleven billion, two hundred twelve million, one thousand, twelve".