1112212001231 has 6 divisors (see below), whose sum is σ = 1173830395032. Its totient is φ = 1053674527140.

The previous prime is 1112212001209. The next prime is 1112212001249. The reversal of 1112212001231 is 1321002122111.

It is a happy number.

It is not a de Polignac number, because 1112212001231 - 2¹⁴ = 1112211984847 is a prime.

It is a super-2 number, since 2×1112212001231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112212001281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1540459475 + ... + 1540460196.

It is an arithmetic number, because the mean of its divisors is an integer number (195638399172).

Almost surely, 2^{1112212001231} is an apocalyptic number.

1112212001231 is a deficient number, since it is larger than the sum of its proper divisors (61618393801).

1112212001231 is an equidigital number, since it uses as much as digits as its factorization.

1112212001231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080919709 (or 3080919690 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1112212001231 its reverse (1321002122111), we get a palindrome (2433214123342).

The spelling of 1112212001231 in words is "one trillion, one hundred twelve billion, two hundred twelve million, one thousand, two hundred thirty-one".