12120030011 has 8 divisors (see below), whose sum is σ = 12261893280. Its totient is φ = 11978512128.

The previous prime is 12120029981. The next prime is 12120030047. The reversal of 12120030011 is 11003002121.

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 12120030011 - 2¹⁴ = 12120013627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120029974 and 12120030001.

It is not an unprimeable number, because it can be changed into a prime (12120030211) 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, 15416 + ... + 156453.

It is an arithmetic number, because the mean of its divisors is an integer number (1532736660).

Almost surely, 2^12120030011 is an apocalyptic number.

12120030011 is a deficient number, since it is larger than the sum of its proper divisors (141863269).

12120030011 is an equidigital number, since it uses as much as digits as its factorization.

12120030011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172693.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12120030011 its reverse (11003002121), we get a palindrome (23123032132).

The spelling of 12120030011 in words is "twelve billion, one hundred twenty million, thirty thousand, eleven".