1223100230202 has 160 divisors (see below), whose sum is σ = 2837132635392. Its totient is φ = 393619689216.

The previous prime is 1223100230201. The next prime is 1223100230221. The reversal of 1223100230202 is 2020320013221.

1223100230202 is a `hidden beast` number, since 1 + 2 + 231 + 0 + 0 + 230 + 202 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1223100230201) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 305238883 + ... + 305242889.

Almost surely, 2^{1223100230202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223100230202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1418566317696).

1223100230202 is an abundant number, since it is smaller than the sum of its proper divisors (1614032405190).

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

1223100230202 is a wasteful number, since it uses less digits than its factorization.

1223100230202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4634 (or 4625 counting only the distinct ones).

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

Adding to 1223100230202 its reverse (2020320013221), we get a palindrome (3243420243423).

The spelling of 1223100230202 in words is "one trillion, two hundred twenty-three billion, one hundred million, two hundred thirty thousand, two hundred two".