1012311112223 has 16 divisors (see below), whose sum is σ = 1026340103040. Its totient is φ = 998384442336.

The previous prime is 1012311112217. The next prime is 1012311112243. The reversal of 1012311112223 is 3222111132101.

It is a cyclic number.

It is not a de Polignac number, because 1012311112223 - 2¹⁰ = 1012311111199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012311112195 and 1012311112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012311112243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53166461 + ... + 53185497.

It is an arithmetic number, because the mean of its divisors is an integer number (64146256440).

Almost surely, 2^{1012311112223} is an apocalyptic number.

1012311112223 is a deficient number, since it is larger than the sum of its proper divisors (14028990817).

1012311112223 is a wasteful number, since it uses less digits than its factorization.

1012311112223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21686.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1012311112223 its reverse (3222111132101), we get a palindrome (4234422244324).

The spelling of 1012311112223 in words is "one trillion, twelve billion, three hundred eleven million, one hundred twelve thousand, two hundred twenty-three".