123113212001 has 8 divisors (see below), whose sum is σ = 132590310720. Its totient is φ = 113637092112.

The previous prime is 123113211989. The next prime is 123113212007. The reversal of 123113212001 is 100212311321.

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 123113212001 - 2⁶ = 123113211937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123113212007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27770 + ... + 496988.

It is an arithmetic number, because the mean of its divisors is an integer number (16573788840).

Almost surely, 2^123113212001 is an apocalyptic number.

It is an amenable number.

123113212001 is a deficient number, since it is larger than the sum of its proper divisors (9477098719).

123113212001 is a wasteful number, since it uses less digits than its factorization.

123113212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489415.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 123113212001 its reverse (100212311321), we get a palindrome (223325523322).

The spelling of 123113212001 in words is "one hundred twenty-three billion, one hundred thirteen million, two hundred twelve thousand, one".