12127218046 has 16 divisors (see below), whose sum is σ = 19615271760. Its totient is φ = 5604361920.

The previous prime is 12127218041. The next prime is 12127218067. The reversal of 12127218046 is 64081272121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12127218041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3890361 + ... + 3893476.

It is an arithmetic number, because the mean of its divisors is an integer number (1225954485).

Almost surely, 2^12127218046 is an apocalyptic number.

12127218046 is a deficient number, since it is larger than the sum of its proper divisors (7488053714).

12127218046 is a wasteful number, since it uses less digits than its factorization.

12127218046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7783899.

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 12127218046 in words is "twelve billion, one hundred twenty-seven million, two hundred eighteen thousand, forty-six".