12021163814 has 8 divisors (see below), whose sum is σ = 19670995368. Its totient is φ = 5464165360.

The previous prime is 12021163769. The next prime is 12021163837. The reversal of 12021163814 is 41836112021.

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

It is a congruent number.

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, 273208247 + ... + 273208290.

It is an arithmetic number, because the mean of its divisors is an integer number (2458874421).

Almost surely, 2^12021163814 is an apocalyptic number.

12021163814 is a deficient number, since it is larger than the sum of its proper divisors (7649831554).

12021163814 is a wasteful number, since it uses less digits than its factorization.

12021163814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546416550.

The product of its (nonzero) digits is 2304, while the sum is 29.

Adding to 12021163814 its reverse (41836112021), we get a palindrome (53857275835).

The spelling of 12021163814 in words is "twelve billion, twenty-one million, one hundred sixty-three thousand, eight hundred fourteen".