12340103021 has 8 divisors (see below), whose sum is σ = 13076697024. Its totient is φ = 11604698560.

The previous prime is 12340102969. The next prime is 12340103023. The reversal of 12340103021 is 12030104321.

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

It is a cyclic number.

It is not a de Polignac number, because 12340103021 - 2¹⁰ = 12340101997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340103023) 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, 275975 + ... + 317556.

It is an arithmetic number, because the mean of its divisors is an integer number (1634587128).

Almost surely, 2^12340103021 is an apocalyptic number.

It is an amenable number.

12340103021 is a deficient number, since it is larger than the sum of its proper divisors (736594003).

12340103021 is a wasteful number, since it uses less digits than its factorization.

12340103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594771.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12340103021 its reverse (12030104321), we get a palindrome (24370207342).

The spelling of 12340103021 in words is "twelve billion, three hundred forty million, one hundred three thousand, twenty-one".