120001312312223 has 16 divisors (see below), whose sum is σ = 127090847755776. Its totient is φ = 113067869064480.

The previous prime is 120001312312157. The next prime is 120001312312279. The reversal of 120001312312223 is 322213213100021.

It is a cyclic number.

It is not a de Polignac number, because 120001312312223 - 2⁸ = 120001312311967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001312312423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62576990 + ... + 64466132.

It is an arithmetic number, because the mean of its divisors is an integer number (7943177984736).

Almost surely, 2^{120001312312223} is an apocalyptic number.

120001312312223 is a deficient number, since it is larger than the sum of its proper divisors (7089535443553).

120001312312223 is a wasteful number, since it uses less digits than its factorization.

120001312312223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930454.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 120001312312223 its reverse (322213213100021), we get a palindrome (442214525412244).

The spelling of 120001312312223 in words is "one hundred twenty trillion, one billion, three hundred twelve million, three hundred twelve thousand, two hundred twenty-three".