12021402307 has 2 divisors, whose sum is σ = 12021402308. Its totient is φ = 12021402306.

The previous prime is 12021402293. The next prime is 12021402317. The reversal of 12021402307 is 70320412021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12021402307 - 2²³ = 12013013699 is a prime.

It is a super-2 number, since 2×12021402307² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12021402317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010701153 + 6010701154.

It is an arithmetic number, because the mean of its divisors is an integer number (6010701154).

Almost surely, 2^12021402307 is an apocalyptic number.

12021402307 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021402307 is an equidigital number, since it uses as much as digits as its factorization.

12021402307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 12021402307 its reverse (70320412021), we get a palindrome (82341814328).

The spelling of 12021402307 in words is "twelve billion, twenty-one million, four hundred two thousand, three hundred seven".