203221033012030 has 32 divisors (see below), whose sum is σ = 399054158478720. Its totient is φ = 73898196681120.

The previous prime is 203221033011989. The next prime is 203221033012031. The reversal of 203221033012030 is 30210330122302.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 203221033011992 and 203221033012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203221033012031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18662901 + ... + 27472639.

It is an arithmetic number, because the mean of its divisors is an integer number (12470442452460).

Almost surely, 2^{203221033012030} is an apocalyptic number.

203221033012030 is a deficient number, since it is larger than the sum of its proper divisors (195833125466690).

203221033012030 is a wasteful number, since it uses less digits than its factorization.

203221033012030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9019464.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 203221033012030 its reverse (30210330122302), we get a palindrome (233431363134332).

The spelling of 203221033012030 in words is "two hundred three trillion, two hundred twenty-one billion, thirty-three million, twelve thousand, thirty".