12021202147 has 2 divisors, whose sum is σ = 12021202148. Its totient is φ = 12021202146.

The previous prime is 12021202111. The next prime is 12021202153. The reversal of 12021202147 is 74120212021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12021202147 - 2²³ = 12012813539 is a prime.

It is not a weakly prime, because it can be changed into another prime (12021202157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010601073 + 6010601074.

It is an arithmetic number, because the mean of its divisors is an integer number (6010601074).

Almost surely, 2^12021202147 is an apocalyptic number.

12021202147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021202147 is an equidigital number, since it uses as much as digits as its factorization.

12021202147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 12021202147 its reverse (74120212021), we get a palindrome (86141414168).

The spelling of 12021202147 in words is "twelve billion, twenty-one million, two hundred two thousand, one hundred forty-seven".