12347020213 has 16 divisors (see below), whose sum is σ = 13858004160. Its totient is φ = 10901865600.

The previous prime is 12347020201. The next prime is 12347020243. The reversal of 12347020213 is 31202074321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12347020213 - 2⁵ = 12347020181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12347020243) 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, 205833 + ... + 258961.

It is an arithmetic number, because the mean of its divisors is an integer number (866125260).

Almost surely, 2^12347020213 is an apocalyptic number.

It is an amenable number.

12347020213 is a deficient number, since it is larger than the sum of its proper divisors (1510983947).

12347020213 is a wasteful number, since it uses less digits than its factorization.

12347020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53748.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 12347020213 its reverse (31202074321), we get a palindrome (43549094534).

The spelling of 12347020213 in words is "twelve billion, three hundred forty-seven million, twenty thousand, two hundred thirteen".