123120120011 has 8 divisors (see below), whose sum is σ = 140759916000. Its totient is φ = 105493125888.

The previous prime is 123120119957. The next prime is 123120120043. The reversal of 123120120011 is 110021021321.

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 123120120011 - 2¹⁰ = 123120118987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123120150011) 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, 3179846 + ... + 3218331.

It is an arithmetic number, because the mean of its divisors is an integer number (17594989500).

Almost surely, 2^123120120011 is an apocalyptic number.

123120120011 is a deficient number, since it is larger than the sum of its proper divisors (17639795989).

123120120011 is an equidigital number, since it uses as much as digits as its factorization.

123120120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6400933.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 123120120011 its reverse (110021021321), we get a palindrome (233141141332).

The spelling of 123120120011 in words is "one hundred twenty-three billion, one hundred twenty million, one hundred twenty thousand, eleven".