12001032213123 has 8 divisors (see below), whose sum is σ = 16055988491088. Its totient is φ = 7973382038624.

The previous prime is 12001032213101. The next prime is 12001032213161. The reversal of 12001032213123 is 32131223010021.

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

It is a cyclic number.

It is not a de Polignac number, because 12001032213123 - 2⁵ = 12001032213091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12001032213123.

It is not an unprimeable number, because it can be changed into a prime (12001032203123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6826524840 + ... + 6826526597.

It is an arithmetic number, because the mean of its divisors is an integer number (2006998561386).

Almost surely, 2^{12001032213123} is an apocalyptic number.

12001032213123 is a deficient number, since it is larger than the sum of its proper divisors (4054956277965).

12001032213123 is a wasteful number, since it uses less digits than its factorization.

12001032213123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13653051733.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12001032213123 its reverse (32131223010021), we get a palindrome (44132255223144).

The spelling of 12001032213123 in words is "twelve trillion, one billion, thirty-two million, two hundred thirteen thousand, one hundred twenty-three".