1231122022003 has 8 divisors (see below), whose sum is σ = 1280842219520. Its totient is φ = 1182027236040.

The previous prime is 1231122021953. The next prime is 1231122022021. The reversal of 1231122022003 is 3002202211321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1231122022003 - 2²⁵ = 1231088467571 is a prime.

It is a super-2 number, since 2×1231122022003² (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 (1231122022093) 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 7 ways as a sum of consecutive naturals, for example, 156348873 + ... + 156356746.

It is an arithmetic number, because the mean of its divisors is an integer number (160105277440).

Almost surely, 2^{1231122022003} is an apocalyptic number.

1231122022003 is a deficient number, since it is larger than the sum of its proper divisors (49720197517).

1231122022003 is a wasteful number, since it uses less digits than its factorization.

1231122022003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312705777.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1231122022003 its reverse (3002202211321), we get a palindrome (4233324233324).

The spelling of 1231122022003 in words is "one trillion, two hundred thirty-one billion, one hundred twenty-two million, twenty-two thousand, three".