12213677901 has 4 divisors (see below), whose sum is σ = 16284903872. Its totient is φ = 8142451932.

The previous prime is 12213677881. The next prime is 12213677923. The reversal of 12213677901 is 10977631221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12213677901 - 2⁹ = 12213677389 is a prime.

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 12213677901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213677951) 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, 2035612981 + ... + 2035612986.

It is an arithmetic number, because the mean of its divisors is an integer number (4071225968).

Almost surely, 2^12213677901 is an apocalyptic number.

It is an amenable number.

12213677901 is a deficient number, since it is larger than the sum of its proper divisors (4071225971).

12213677901 is an equidigital number, since it uses as much as digits as its factorization.

12213677901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071225970.

The product of its (nonzero) digits is 31752, while the sum is 39.

The spelling of 12213677901 in words is "twelve billion, two hundred thirteen million, six hundred seventy-seven thousand, nine hundred one".