12217701902 has 8 divisors (see below), whose sum is σ = 20944631856. Its totient is φ = 5236157952.

The previous prime is 12217701901. The next prime is 12217701911. The reversal of 12217701902 is 20910771221.

12217701902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12217701902² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12217701901) 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, 436346483 + ... + 436346510.

It is an arithmetic number, because the mean of its divisors is an integer number (2618078982).

Almost surely, 2^12217701902 is an apocalyptic number.

12217701902 is a deficient number, since it is larger than the sum of its proper divisors (8726929954).

12217701902 is an equidigital number, since it uses as much as digits as its factorization.

12217701902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872693002.

The product of its (nonzero) digits is 3528, while the sum is 32.

The spelling of 12217701902 in words is "twelve billion, two hundred seventeen million, seven hundred one thousand, nine hundred two".