12120102221147 has 2 divisors, whose sum is σ = 12120102221148. Its totient is φ = 12120102221146.

The previous prime is 12120102221111. The next prime is 12120102221173. The reversal of 12120102221147 is 74112220102121.

It is an a-pointer prime, because the next prime (12120102221173) can be obtained adding 12120102221147 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120102221147 is a prime.

It is not a weakly prime, because it can be changed into another prime (12120102223147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060051110573 + 6060051110574.

It is an arithmetic number, because the mean of its divisors is an integer number (6060051110574).

Almost surely, 2^{12120102221147} is an apocalyptic number.

12120102221147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120102221147 is an equidigital number, since it uses as much as digits as its factorization.

12120102221147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 12120102221147 its reverse (74112220102121), we get a palindrome (86232322323268).

The spelling of 12120102221147 in words is "twelve trillion, one hundred twenty billion, one hundred two million, two hundred twenty-one thousand, one hundred forty-seven".