1012120111233 has 48 divisors (see below), whose sum is σ = 1830652137600. Its totient is φ = 523480631040.

The previous prime is 1012120111229. The next prime is 1012120111243. The reversal of 1012120111233 is 3321110212101.

It is not a de Polignac number, because 1012120111233 - 2² = 1012120111229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012120111243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3030148 + ... + 3347541.

It is an arithmetic number, because the mean of its divisors is an integer number (38138586200).

Almost surely, 2^{1012120111233} is an apocalyptic number.

It is an amenable number.

1012120111233 is a deficient number, since it is larger than the sum of its proper divisors (818532026367).

1012120111233 is a wasteful number, since it uses less digits than its factorization.

1012120111233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6377942 (or 6377939 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1012120111233 its reverse (3321110212101), we get a palindrome (4333230323334).

The spelling of 1012120111233 in words is "one trillion, twelve billion, one hundred twenty million, one hundred eleven thousand, two hundred thirty-three".