1022231212403 has 4 divisors (see below), whose sum is σ = 1022397895728. Its totient is φ = 1022064529080.

The previous prime is 1022231212393. The next prime is 1022231212411. The reversal of 1022231212403 is 3042121322201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022231212403 is a prime.

It is a super-2 number, since 2×1022231212403² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022231212423) 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, 83332463 + ... + 83344728.

It is an arithmetic number, because the mean of its divisors is an integer number (255599473932).

Almost surely, 2^{1022231212403} is an apocalyptic number.

1022231212403 is a deficient number, since it is larger than the sum of its proper divisors (166683325).

1022231212403 is an equidigital number, since it uses as much as digits as its factorization.

1022231212403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166683324.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1022231212403 its reverse (3042121322201), we get a palindrome (4064352534604).

The spelling of 1022231212403 in words is "one trillion, twenty-two billion, two hundred thirty-one million, two hundred twelve thousand, four hundred three".