12001121212322 has 8 divisors (see below), whose sum is σ = 19638198347472. Its totient is φ = 5455055096500.

The previous prime is 12001121212309. The next prime is 12001121212363. The reversal of 12001121212322 is 22321212110021.

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

It is a junction number, because it is equal to n+sod(n) for n = 12001121212294 and 12001121212303.

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, 272752754804 + ... + 272752754847.

It is an arithmetic number, because the mean of its divisors is an integer number (2454774793434).

Almost surely, 2^{12001121212322} is an apocalyptic number.

12001121212322 is a deficient number, since it is larger than the sum of its proper divisors (7637077135150).

12001121212322 is a wasteful number, since it uses less digits than its factorization.

12001121212322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545505509664.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12001121212322 its reverse (22321212110021), we get a palindrome (34322333322343).

The spelling of 12001121212322 in words is "twelve trillion, one billion, one hundred twenty-one million, two hundred twelve thousand, three hundred twenty-two".