12021303023103 has 16 divisors (see below), whose sum is σ = 17516154344832. Its totient is φ = 7272878748000.

The previous prime is 12021303023077. The next prime is 12021303023153. The reversal of 12021303023103 is 30132030312021.

It is not a de Polignac number, because 12021303023103 - 2¹³ = 12021303014911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12021303023103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021303023153) 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, 318967068 + ... + 319004753.

It is an arithmetic number, because the mean of its divisors is an integer number (1094759646552).

Almost surely, 2^{12021303023103} is an apocalyptic number.

12021303023103 is a deficient number, since it is larger than the sum of its proper divisors (5494851321729).

12021303023103 is a wasteful number, since it uses less digits than its factorization.

12021303023103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637972406.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12021303023103 its reverse (30132030312021), we get a palindrome (42153333335124).

The spelling of 12021303023103 in words is "twelve trillion, twenty-one billion, three hundred three million, twenty-three thousand, one hundred three".