12002222119978 has 8 divisors (see below), whose sum is σ = 18004600438272. Its totient is φ = 6000688640556.

The previous prime is 12002222119879. The next prime is 12002222120003. The reversal of 12002222119978 is 87991122220021.

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, 211174200 + ... + 211231027.

It is an arithmetic number, because the mean of its divisors is an integer number (2250575054784).

Almost surely, 2^{12002222119978} is an apocalyptic number.

12002222119978 is a deficient number, since it is larger than the sum of its proper divisors (6002378318294).

12002222119978 is a wasteful number, since it uses less digits than its factorization.

12002222119978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422419436.

The product of its (nonzero) digits is 145152, while the sum is 46.

Adding to 12002222119978 its reverse (87991122220021), we get a palindrome (99993344339999).

The spelling of 12002222119978 in words is "twelve trillion, two billion, two hundred twenty-two million, one hundred nineteen thousand, nine hundred seventy-eight".