120001102123123 has 8 divisors (see below), whose sum is σ = 129978961661808. Its totient is φ = 110129957660064.

The previous prime is 120001102123099. The next prime is 120001102123151. The reversal of 120001102123123 is 321321201100021.

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 120001102123123 - 2¹³ = 120001102114931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120001102123123.

It is not an unprimeable number, because it can be changed into a prime (120001102123163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26678766565 + ... + 26678771062.

It is an arithmetic number, because the mean of its divisors is an integer number (16247370207726).

Almost surely, 2^{120001102123123} is an apocalyptic number.

120001102123123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120001102123123 is a deficient number, since it is larger than the sum of its proper divisors (9977859538685).

120001102123123 is a wasteful number, since it uses less digits than its factorization.

120001102123123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53357537813.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 120001102123123 its reverse (321321201100021), we get a palindrome (441322303223144).

The spelling of 120001102123123 in words is "one hundred twenty trillion, one billion, one hundred two million, one hundred twenty-three thousand, one hundred twenty-three".