121313186747 has 2 divisors, whose sum is σ = 121313186748. Its totient is φ = 121313186746.

The previous prime is 121313186741. The next prime is 121313186759. The reversal of 121313186747 is 747681313121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121313186747 - 2¹⁰ = 121313185723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121313186698 and 121313186707.

It is not a weakly prime, because it can be changed into another prime (121313186741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60656593373 + 60656593374.

It is an arithmetic number, because the mean of its divisors is an integer number (60656593374).

Almost surely, 2^121313186747 is an apocalyptic number.

121313186747 is a deficient number, since it is larger than the sum of its proper divisors (1).

121313186747 is an equidigital number, since it uses as much as digits as its factorization.

121313186747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 44.

Adding to 121313186747 its reverse (747681313121), we get a palindrome (868994499868).

The spelling of 121313186747 in words is "one hundred twenty-one billion, three hundred thirteen million, one hundred eighty-six thousand, seven hundred forty-seven".