1000122120023 has 24 divisors (see below), whose sum is σ = 1143238698000. Its totient is φ = 872093723904.

The previous prime is 1000122120017. The next prime is 1000122120037. The reversal of 1000122120023 is 3200212210001.

It is a happy number.

It is not a de Polignac number, because 1000122120023 - 2³⁰ = 999048378199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000122120073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 674411 + ... + 1566867.

It is an arithmetic number, because the mean of its divisors is an integer number (47634945750).

Almost surely, 2^{1000122120023} is an apocalyptic number.

1000122120023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1000122120023 is a deficient number, since it is larger than the sum of its proper divisors (143116577977).

1000122120023 is a wasteful number, since it uses less digits than its factorization.

1000122120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892851 (or 892838 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1000122120023 its reverse (3200212210001), we get a palindrome (4200334330024).

The spelling of 1000122120023 in words is "one trillion, one hundred twenty-two million, one hundred twenty thousand, twenty-three".