12303221029978 has 4 divisors (see below), whose sum is σ = 18454831544970. Its totient is φ = 6151610514988.

The previous prime is 12303221029961. The next prime is 12303221029991. The reversal of 12303221029978 is 87992012230321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12066473584489 + 236747445489 = 3473683^2 + 486567^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3075805257493 + ... + 3075805257496.

Almost surely, 2^{12303221029978} is an apocalyptic number.

12303221029978 is a deficient number, since it is larger than the sum of its proper divisors (6151610514992).

12303221029978 is an equidigital number, since it uses as much as digits as its factorization.

12303221029978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151610514991.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 12303221029978 in words is "twelve trillion, three hundred three billion, two hundred twenty-one million, twenty-nine thousand, nine hundred seventy-eight".