1012311120233 has 24 divisors (see below), whose sum is σ = 1179648671040. Its totient is φ = 866177051040.

The previous prime is 1012311120181. The next prime is 1012311120253. The reversal of 1012311120233 is 3320211132101.

It is a happy number.

It is not a de Polignac number, because 1012311120233 - 2¹⁴ = 1012311103849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012311120253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73407503 + ... + 73421291.

It is an arithmetic number, because the mean of its divisors is an integer number (49152027960).

Almost surely, 2^{1012311120233} is an apocalyptic number.

It is an amenable number.

1012311120233 is a deficient number, since it is larger than the sum of its proper divisors (167337550807).

1012311120233 is a wasteful number, since it uses less digits than its factorization.

1012311120233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16317 (or 16310 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1012311120233 its reverse (3320211132101), we get a palindrome (4332522252334).

The spelling of 1012311120233 in words is "one trillion, twelve billion, three hundred eleven million, one hundred twenty thousand, two hundred thirty-three".