12216914716442 has 16 divisors (see below), whose sum is σ = 18335128691880. Its totient is φ = 6105205700352.

The previous prime is 12216914716423. The next prime is 12216914716451. The reversal of 12216914716442 is 24461741961221.

It can be written as a sum of positive squares in 4 ways, for example, as 12061874866441 + 155039850001 = 3473021^2 + 393751^2 .

It is a super-2 number, since 2×12216914716442² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46571198 + ... + 46832790.

Almost surely, 2^{12216914716442} is an apocalyptic number.

12216914716442 is a deficient number, since it is larger than the sum of its proper divisors (6118213975438).

12216914716442 is a wasteful number, since it uses less digits than its factorization.

12216914716442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273937.

The product of its digits is 1161216, while the sum is 50.

The spelling of 12216914716442 in words is "twelve trillion, two hundred sixteen billion, nine hundred fourteen million, seven hundred sixteen thousand, four hundred forty-two".