12420212303 has 4 divisors (see below), whose sum is σ = 12431332680. Its totient is φ = 12409091928.

The previous prime is 12420212263. The next prime is 12420212323. The reversal of 12420212303 is 30321202421.

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 12420212303 - 2¹⁴ = 12420195919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420212323) 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, 5558513 + ... + 5560746.

It is an arithmetic number, because the mean of its divisors is an integer number (3107833170).

Almost surely, 2^12420212303 is an apocalyptic number.

12420212303 is a deficient number, since it is larger than the sum of its proper divisors (11120377).

12420212303 is a wasteful number, since it uses less digits than its factorization.

12420212303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11120376.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12420212303 its reverse (30321202421), we get a palindrome (42741414724).

The spelling of 12420212303 in words is "twelve billion, four hundred twenty million, two hundred twelve thousand, three hundred three".