1223020130100 has 36 divisors (see below), whose sum is σ = 3538604910624. Its totient is φ = 326138701280.

The previous prime is 1223020130071. The next prime is 1223020130117. The reversal of 1223020130100 is 10310203221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1223020130100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2038366584 + ... + 2038367183.

Almost surely, 2^{1223020130100} is an apocalyptic number.

1223020130100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223020130100 is an abundant number, since it is smaller than the sum of its proper divisors (2315584780524).

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

1223020130100 is a wasteful number, since it uses less digits than its factorization.

1223020130100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076733784 (or 4076733777 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1223020130100 its reverse (10310203221), we get a palindrome (1233330333321).

The spelling of 1223020130100 in words is "one trillion, two hundred twenty-three billion, twenty million, one hundred thirty thousand, one hundred".