1012221013233 has 16 divisors (see below), whose sum is σ = 1409950878336. Its totient is φ = 644721052800.

The previous prime is 1012221013217. The next prime is 1012221013247. The reversal of 1012221013233 is 3323101222101.

It is not a de Polignac number, because 1012221013233 - 2⁴ = 1012221013217 is a prime.

It is a super-2 number, since 2×1012221013233² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012221013633) 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 15 ways as a sum of consecutive naturals, for example, 8499718 + ... + 8617983.

It is an arithmetic number, because the mean of its divisors is an integer number (88121929896).

Almost surely, 2^{1012221013233} is an apocalyptic number.

It is an amenable number.

1012221013233 is a deficient number, since it is larger than the sum of its proper divisors (397729865103).

1012221013233 is a wasteful number, since it uses less digits than its factorization.

1012221013233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17118584.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1012221013233 its reverse (3323101222101), we get a palindrome (4335322235334).

The spelling of 1012221013233 in words is "one trillion, twelve billion, two hundred twenty-one million, thirteen thousand, two hundred thirty-three".