12021013203 has 8 divisors (see below), whose sum is σ = 16037815248. Its totient is φ = 8009109984.

The previous prime is 12021013201. The next prime is 12021013217. The reversal of 12021013203 is 30231012021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12021013203 - 2¹ = 12021013201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12021013201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218976 + ... + 1228797.

It is an arithmetic number, because the mean of its divisors is an integer number (2004726906).

Almost surely, 2^12021013203 is an apocalyptic number.

12021013203 is a deficient number, since it is larger than the sum of its proper divisors (4016802045).

12021013203 is a wasteful number, since it uses less digits than its factorization.

12021013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449413.

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

Adding to 12021013203 its reverse (30231012021), we get a palindrome (42252025224).

The spelling of 12021013203 in words is "twelve billion, twenty-one million, thirteen thousand, two hundred three".