12213869735 has 4 divisors (see below), whose sum is σ = 14656643688. Its totient is φ = 9771095784.

The previous prime is 12213869713. The next prime is 12213869771. The reversal of 12213869735 is 53796831221.

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 12213869735 - 2¹⁶ = 12213804199 is a prime.

It is a super-2 number, since 2×12213869735² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12213869735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1221386969 + ... + 1221386978.

It is an arithmetic number, because the mean of its divisors is an integer number (3664160922).

Almost surely, 2^12213869735 is an apocalyptic number.

12213869735 is a deficient number, since it is larger than the sum of its proper divisors (2442773953).

12213869735 is an equidigital number, since it uses as much as digits as its factorization.

12213869735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442773952.

The product of its digits is 544320, while the sum is 47.

The spelling of 12213869735 in words is "twelve billion, two hundred thirteen million, eight hundred sixty-nine thousand, seven hundred thirty-five".