12242121347 has 2 divisors, whose sum is σ = 12242121348. Its totient is φ = 12242121346.

The previous prime is 12242121329. The next prime is 12242121373. The reversal of 12242121347 is 74312124221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (74312124221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12242121347 - 2²² = 12237927043 is a prime.

It is not a weakly prime, because it can be changed into another prime (12242121317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121060673 + 6121060674.

It is an arithmetic number, because the mean of its divisors is an integer number (6121060674).

Almost surely, 2^12242121347 is an apocalyptic number.

12242121347 is a deficient number, since it is larger than the sum of its proper divisors (1).

12242121347 is an equidigital number, since it uses as much as digits as its factorization.

12242121347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 29.

Adding to 12242121347 its reverse (74312124221), we get a palindrome (86554245568).

The spelling of 12242121347 in words is "twelve billion, two hundred forty-two million, one hundred twenty-one thousand, three hundred forty-seven".