120311121223 has 16 divisors (see below), whose sum is σ = 123511895136. Its totient is φ = 117154252800.

The previous prime is 120311121169. The next prime is 120311121247. The reversal of 120311121223 is 322121113021.

It is a cyclic number.

It is not a de Polignac number, because 120311121223 - 2²⁵ = 120277566791 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 120311121223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120311121023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10276273 + ... + 10287973.

It is an arithmetic number, because the mean of its divisors is an integer number (7719493446).

Almost surely, 2^120311121223 is an apocalyptic number.

120311121223 is a deficient number, since it is larger than the sum of its proper divisors (3200773913).

120311121223 is a wasteful number, since it uses less digits than its factorization.

120311121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13554.

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

Adding to 120311121223 its reverse (322121113021), we get a palindrome (442432234244).

The spelling of 120311121223 in words is "one hundred twenty billion, three hundred eleven million, one hundred twenty-one thousand, two hundred twenty-three".