12101421407 has 2 divisors, whose sum is σ = 12101421408. Its totient is φ = 12101421406.

The previous prime is 12101421307. The next prime is 12101421421. The reversal of 12101421407 is 70412410121.

12101421407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12101421407 - 2¹⁸ = 12101159263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12101421307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050710703 + 6050710704.

It is an arithmetic number, because the mean of its divisors is an integer number (6050710704).

Almost surely, 2^12101421407 is an apocalyptic number.

12101421407 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101421407 is an equidigital number, since it uses as much as digits as its factorization.

12101421407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 12101421407 its reverse (70412410121), we get a palindrome (82513831528).

The spelling of 12101421407 in words is "twelve billion, one hundred one million, four hundred twenty-one thousand, four hundred seven".