12348220351 has 4 divisors (see below), whose sum is σ = 13074586272. Its totient is φ = 11621854432.

The previous prime is 12348220331. The next prime is 12348220369. The reversal of 12348220351 is 15302284321.

12348220351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15302284321 = 107 ⋅143012003.

It is not a de Polignac number, because 12348220351 - 2¹⁹ = 12347696063 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 (12348220331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363182935 + ... + 363182968.

It is an arithmetic number, because the mean of its divisors is an integer number (3268646568).

Almost surely, 2^12348220351 is an apocalyptic number.

12348220351 is a deficient number, since it is larger than the sum of its proper divisors (726365921).

12348220351 is an equidigital number, since it uses as much as digits as its factorization.

12348220351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726365920.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 12348220351 in words is "twelve billion, three hundred forty-eight million, two hundred twenty thousand, three hundred fifty-one".