12212027016 has 64 divisors (see below), whose sum is σ = 36727910400. Its totient is φ = 3305510208.

The previous prime is 12212026999. The next prime is 12212027017. The reversal of 12212027016 is 61072021221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12212027017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1909720 + ... + 1916103.

It is an arithmetic number, because the mean of its divisors is an integer number (573873600).

Almost surely, 2^12212027016 is an apocalyptic number.

It is an amenable number.

12212027016 is an abundant number, since it is smaller than the sum of its proper divisors (24515883384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12212027016 is a wasteful number, since it uses less digits than its factorization.

12212027016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825858 (or 3825854 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

Adding to 12212027016 its reverse (61072021221), we get a palindrome (73284048237).

The spelling of 12212027016 in words is "twelve billion, two hundred twelve million, twenty-seven thousand, sixteen".