1111312201012 has 48 divisors (see below), whose sum is σ = 2101131248832. Its totient is φ = 511265018880.

The previous prime is 1111312200989. The next prime is 1111312201039. The reversal of 1111312201012 is 2101022131111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55259863 + ... + 55279969.

It is an arithmetic number, because the mean of its divisors is an integer number (43773567684).

Almost surely, 2^{1111312201012} is an apocalyptic number.

It is an amenable number.

1111312201012 is a deficient number, since it is larger than the sum of its proper divisors (989819047820).

1111312201012 is a wasteful number, since it uses less digits than its factorization.

1111312201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23488 (or 23486 counting only the distinct ones).

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

Adding to 1111312201012 its reverse (2101022131111), we get a palindrome (3212334332123).

The spelling of 1111312201012 in words is "one trillion, one hundred eleven billion, three hundred twelve million, two hundred one thousand, twelve".