12420352351 has 8 divisors (see below), whose sum is σ = 13569497424. Its totient is φ = 11274544320.

The previous prime is 12420352327. The next prime is 12420352387. The reversal of 12420352351 is 15325302421.

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 12420352351 - 2¹¹ = 12420350303 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 (12420352391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826470 + ... + 841363.

It is an arithmetic number, because the mean of its divisors is an integer number (1696187178).

Almost surely, 2^12420352351 is an apocalyptic number.

12420352351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12420352351 is a deficient number, since it is larger than the sum of its proper divisors (1149145073).

12420352351 is a wasteful number, since it uses less digits than its factorization.

12420352351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668521.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 12420352351 its reverse (15325302421), we get a palindrome (27745654772).

The spelling of 12420352351 in words is "twelve billion, four hundred twenty million, three hundred fifty-two thousand, three hundred fifty-one".