12011122030331 has 4 divisors (see below), whose sum is σ = 12013468416000. Its totient is φ = 12008775644664.

The previous prime is 12011122030283. The next prime is 12011122030367. The reversal of 12011122030331 is 13303022111021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011122030331 is a prime.

It is a super-2 number, since 2×12011122030331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011122030381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173185156 + ... + 1173195393.

It is an arithmetic number, because the mean of its divisors is an integer number (3003367104000).

Almost surely, 2^{12011122030331} is an apocalyptic number.

12011122030331 is a deficient number, since it is larger than the sum of its proper divisors (2346385669).

12011122030331 is an equidigital number, since it uses as much as digits as its factorization.

12011122030331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346385668.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12011122030331 its reverse (13303022111021), we get a palindrome (25314144141352).

The spelling of 12011122030331 in words is "twelve trillion, eleven billion, one hundred twenty-two million, thirty thousand, three hundred thirty-one".