1012011331233 has 16 divisors (see below), whose sum is σ = 1563237335936. Its totient is φ = 570370377600.

The previous prime is 1012011331231. The next prime is 1012011331259. The reversal of 1012011331233 is 3321331102101.

It is a happy number.

1012011331233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1012011331233 - 2¹ = 1012011331231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012011331231) 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, 330073918 + ... + 330076983.

It is an arithmetic number, because the mean of its divisors is an integer number (97702333496).

Almost surely, 2^{1012011331233} is an apocalyptic number.

It is an amenable number.

1012011331233 is a deficient number, since it is larger than the sum of its proper divisors (551226004703).

1012011331233 is an equidigital number, since it uses as much as digits as its factorization.

1012011331233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660150984.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1012011331233 its reverse (3321331102101), we get a palindrome (4333342433334).

The spelling of 1012011331233 in words is "one trillion, twelve billion, eleven million, three hundred thirty-one thousand, two hundred thirty-three".