1312112233111 has 8 divisors (see below), whose sum is σ = 1353791465280. Its totient is φ = 1271059756512.

The previous prime is 1312112233109. The next prime is 1312112233141. The reversal of 1312112233111 is 1113322112131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312112233111 - 2¹ = 1312112233109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312112233141) 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, 156684640 + ... + 156693013.

It is an arithmetic number, because the mean of its divisors is an integer number (169223933160).

Almost surely, 2^{1312112233111} is an apocalyptic number.

1312112233111 is a deficient number, since it is larger than the sum of its proper divisors (41679232169).

1312112233111 is an equidigital number, since it uses as much as digits as its factorization.

1312112233111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313377785.

The product of its digits is 216, while the sum is 22.

Adding to 1312112233111 its reverse (1113322112131), we get a palindrome (2425434345242).

The spelling of 1312112233111 in words is "one trillion, three hundred twelve billion, one hundred twelve million, two hundred thirty-three thousand, one hundred eleven".