203430012122204 has 192 divisors, whose sum is σ = 432603589017600. Its totient is φ = 81817436692992.

The previous prime is 203430012122201. The next prime is 203430012122333. The reversal of 203430012122204 is 402221210034302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203430012122201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65222830157 + ... + 65222833275.

It is an arithmetic number, because the mean of its divisors is an integer number (2253143692800).

Almost surely, 2^{203430012122204} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203430012122204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216301794508800).

203430012122204 is an abundant number, since it is smaller than the sum of its proper divisors (229173576895396).

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

203430012122204 is a wasteful number, since it uses less digits than its factorization.

203430012122204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6072 (or 6070 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 203430012122204 its reverse (402221210034302), we get a palindrome (605651222156506).

The spelling of 203430012122204 in words is "two hundred three trillion, four hundred thirty billion, twelve million, one hundred twenty-two thousand, two hundred four".