1200003123022 has 48 divisors (see below), whose sum is σ = 2042665140096. Its totient is φ = 527776761600.

The previous prime is 1200003122951. The next prime is 1200003123023. The reversal of 1200003123022 is 2203213000021.

It is a junction number, because it is equal to n+sod(n) for n = 1200003122987 and 1200003123005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200003123023) 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, 86243538 + ... + 86257450.

It is an arithmetic number, because the mean of its divisors is an integer number (42555523752).

Almost surely, 2^{1200003123022} is an apocalyptic number.

1200003123022 is a deficient number, since it is larger than the sum of its proper divisors (842662017074).

1200003123022 is a wasteful number, since it uses less digits than its factorization.

1200003123022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25465 (or 25454 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1200003123022 its reverse (2203213000021), we get a palindrome (3403216123043).

The spelling of 1200003123022 in words is "one trillion, two hundred billion, three million, one hundred twenty-three thousand, twenty-two".