79123212001 has 8 divisors (see below), whose sum is σ = 83354300000. Its totient is φ = 74898794880.

The previous prime is 79123211899. The next prime is 79123212017. The reversal of 79123212001 is 10021232197.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79123212001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79123212031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1643355 + ... + 1690816.

It is an arithmetic number, because the mean of its divisors is an integer number (10419287500).

Almost surely, 2^79123212001 is an apocalyptic number.

It is an amenable number.

79123212001 is a deficient number, since it is larger than the sum of its proper divisors (4231087999).

79123212001 is a wasteful number, since it uses less digits than its factorization.

79123212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335439.

The product of its (nonzero) digits is 1512, while the sum is 28.

Adding to 79123212001 its reverse (10021232197), we get a palindrome (89144444198).

The spelling of 79123212001 in words is "seventy-nine billion, one hundred twenty-three million, two hundred twelve thousand, one".