12120120311 has 8 divisors (see below), whose sum is σ = 13739407920. Its totient is φ = 10598971392.

The previous prime is 12120120289. The next prime is 12120120323. The reversal of 12120120311 is 11302102121.

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 12120120311 - 2¹⁰ = 12120119287 is a prime.

It is a super-2 number, since 2×12120120311² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120120361) 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, 24534410 + ... + 24534903.

It is an arithmetic number, because the mean of its divisors is an integer number (1717425990).

Almost surely, 2^12120120311 is an apocalyptic number.

12120120311 is a deficient number, since it is larger than the sum of its proper divisors (1619287609).

12120120311 is a wasteful number, since it uses less digits than its factorization.

12120120311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49069345.

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

Adding to 12120120311 its reverse (11302102121), we get a palindrome (23422222432).

The spelling of 12120120311 in words is "twelve billion, one hundred twenty million, one hundred twenty thousand, three hundred eleven".