12921014206 has 8 divisors (see below), whose sum is σ = 20049849720. Its totient is φ = 6237730968.

The previous prime is 12921014191. The next prime is 12921014207. The reversal of 12921014206 is 60241012921.

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

It is a super-2 number, since 2×12921014206² (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 (12921014207) 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, 111387996 + ... + 111388111.

It is an arithmetic number, because the mean of its divisors is an integer number (2506231215).

Almost surely, 2^12921014206 is an apocalyptic number.

12921014206 is a deficient number, since it is larger than the sum of its proper divisors (7128835514).

12921014206 is a wasteful number, since it uses less digits than its factorization.

12921014206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222776138.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 12921014206 in words is "twelve billion, nine hundred twenty-one million, fourteen thousand, two hundred six".