30012321203 has 4 divisors (see below), whose sum is σ = 31777751880. Its totient is φ = 28246890528.

The previous prime is 30012321197. The next prime is 30012321217. The reversal of 30012321203 is 30212321003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30012321203 - 2⁴ = 30012321187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 1765430659 = 30012321203 / (3 + 0 + 0 + 1 + 2 + 3 + 2 + 1 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30012321253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882715313 + ... + 882715346.

It is an arithmetic number, because the mean of its divisors is an integer number (7944437970).

Almost surely, 2^30012321203 is an apocalyptic number.

30012321203 is a deficient number, since it is larger than the sum of its proper divisors (1765430677).

30012321203 is a wasteful number, since it uses less digits than its factorization.

30012321203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765430676.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30012321203 its reverse (30212321003), we get a palindrome (60224642206).

The spelling of 30012321203 in words is "thirty billion, twelve million, three hundred twenty-one thousand, two hundred three".