1230002203122 has 192 divisors, whose sum is σ = 3392569440000. Its totient is φ = 319277790720.

The previous prime is 1230002203103. The next prime is 1230002203147. The reversal of 1230002203122 is 2213022000321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1230002203095 and 1230002203104.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 127469754 + ... + 127479402.

It is an arithmetic number, because the mean of its divisors is an integer number (17669632500).

Almost surely, 2^{1230002203122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230002203122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696284720000).

1230002203122 is an abundant number, since it is smaller than the sum of its proper divisors (2162567236878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230002203122 is a wasteful number, since it uses less digits than its factorization.

1230002203122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11566 (or 11549 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1230002203122 its reverse (2213022000321), we get a palindrome (3443024203443).

The spelling of 1230002203122 in words is "one trillion, two hundred thirty billion, two million, two hundred three thousand, one hundred twenty-two".