12002210219978 has 8 divisors (see below), whose sum is σ = 19639980360000. Its totient is φ = 5455550099980.

The previous prime is 12002210219869. The next prime is 12002210220059. The reversal of 12002210219978 is 87991201220021.

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

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, 272777504978 + ... + 272777505021.

It is an arithmetic number, because the mean of its divisors is an integer number (2454997545000).

Almost surely, 2^{12002210219978} is an apocalyptic number.

12002210219978 is a deficient number, since it is larger than the sum of its proper divisors (7637770140022).

12002210219978 is a wasteful number, since it uses less digits than its factorization.

12002210219978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545555010012.

The product of its (nonzero) digits is 72576, while the sum is 44.

Adding to 12002210219978 its reverse (87991201220021), we get a palindrome (99993411439999).

The spelling of 12002210219978 in words is "twelve trillion, two billion, two hundred ten million, two hundred nineteen thousand, nine hundred seventy-eight".