12101412989 has 2 divisors, whose sum is σ = 12101412990. Its totient is φ = 12101412988.

The previous prime is 12101412971. The next prime is 12101413001. The reversal of 12101412989 is 98921410121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6153147364 + 5948265625 = 78442^2 + 77125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12101412989 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12101412689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050706494 + 6050706495.

It is an arithmetic number, because the mean of its divisors is an integer number (6050706495).

Almost surely, 2^12101412989 is an apocalyptic number.

It is an amenable number.

12101412989 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101412989 is an equidigital number, since it uses as much as digits as its factorization.

12101412989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 38.

The spelling of 12101412989 in words is "twelve billion, one hundred one million, four hundred twelve thousand, nine hundred eighty-nine".