1012223012331 has 4 divisors (see below), whose sum is σ = 1349630683112. Its totient is φ = 674815341552.

The previous prime is 1012223012321. The next prime is 1012223012341. The reversal of 1012223012331 is 1332103222101.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1012223012321) and next prime (1012223012341).

It is not a de Polignac number, because 1012223012331 - 2¹⁰ = 1012223011307 is a prime.

It is a super-2 number, since 2×1012223012331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012223012298 and 1012223012307.

It is not an unprimeable number, because it can be changed into a prime (1012223012321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168703835386 + ... + 168703835391.

It is an arithmetic number, because the mean of its divisors is an integer number (337407670778).

Almost surely, 2^{1012223012331} is an apocalyptic number.

1012223012331 is a deficient number, since it is larger than the sum of its proper divisors (337407670781).

1012223012331 is an equidigital number, since it uses as much as digits as its factorization.

1012223012331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337407670780.

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

Adding to 1012223012331 its reverse (1332103222101), we get a palindrome (2344326234432).

The spelling of 1012223012331 in words is "one trillion, twelve billion, two hundred twenty-three million, twelve thousand, three hundred thirty-one".