12030222131 has 4 divisors (see below), whose sum is σ = 12286184352. Its totient is φ = 11774259912.

The previous prime is 12030222097. The next prime is 12030222203. The reversal of 12030222131 is 13122203021.

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

It is a cyclic number.

It is not a de Polignac number, because 12030222131 - 2¹⁸ = 12029959987 is a prime.

It is a super-2 number, since 2×12030222131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12030222031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127981040 + ... + 127981133.

It is an arithmetic number, because the mean of its divisors is an integer number (3071546088).

Almost surely, 2^12030222131 is an apocalyptic number.

12030222131 is a deficient number, since it is larger than the sum of its proper divisors (255962221).

12030222131 is an equidigital number, since it uses as much as digits as its factorization.

12030222131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255962220.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12030222131 its reverse (13122203021), we get a palindrome (25152425152).

The spelling of 12030222131 in words is "twelve billion, thirty million, two hundred twenty-two thousand, one hundred thirty-one".