12020102147 has 2 divisors, whose sum is σ = 12020102148. Its totient is φ = 12020102146.

The previous prime is 12020102057. The next prime is 12020102177. The reversal of 12020102147 is 74120102021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020102147 is a prime.

It is not a weakly prime, because it can be changed into another prime (12020102177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010051073 + 6010051074.

It is an arithmetic number, because the mean of its divisors is an integer number (6010051074).

Almost surely, 2^12020102147 is an apocalyptic number.

12020102147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020102147 is an equidigital number, since it uses as much as digits as its factorization.

12020102147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 12020102147 its reverse (74120102021), we get a palindrome (86140204168).

The spelling of 12020102147 in words is "twelve billion, twenty million, one hundred two thousand, one hundred forty-seven".