1112123001213 has 24 divisors (see below), whose sum is σ = 1895107708416. Its totient is φ = 614998893600.

The previous prime is 1112123001191. The next prime is 1112123001247. The reversal of 1112123001213 is 3121003212111.

It is not a de Polignac number, because 1112123001213 - 2⁵ = 1112123001181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112123001713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284719758 + ... + 284723663.

It is an arithmetic number, because the mean of its divisors is an integer number (78962821184).

Almost surely, 2^{1112123001213} is an apocalyptic number.

It is an amenable number.

1112123001213 is a deficient number, since it is larger than the sum of its proper divisors (782984707203).

1112123001213 is a wasteful number, since it uses less digits than its factorization.

1112123001213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569443465 (or 569443462 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1112123001213 its reverse (3121003212111), we get a palindrome (4233126213324).

The spelling of 1112123001213 in words is "one trillion, one hundred twelve billion, one hundred twenty-three million, one thousand, two hundred thirteen".