12216450602 has 8 divisors (see below), whose sum is σ = 18625080612. Its totient is φ = 6008090400.

The previous prime is 12216450527. The next prime is 12216450613. The reversal of 12216450602 is 20605461221.

It can be written as a sum of positive squares in 2 ways, for example, as 8013651361 + 4202799241 = 89519^2 + 64829^2 .

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

It is a super-2 number, since 2×12216450602² (a number of 21 digits) contains 22 as substring.

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, 50067299 + ... + 50067542.

Almost surely, 2^12216450602 is an apocalyptic number.

12216450602 is a deficient number, since it is larger than the sum of its proper divisors (6408630010).

12216450602 is a wasteful number, since it uses less digits than its factorization.

12216450602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100134904.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 12216450602 in words is "twelve billion, two hundred sixteen million, four hundred fifty thousand, six hundred two".