121452645343 has 2 divisors, whose sum is σ = 121452645344. Its totient is φ = 121452645342.

The previous prime is 121452645311. The next prime is 121452645361. The reversal of 121452645343 is 343546254121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121452645343 - 2⁵ = 121452645311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121452645296 and 121452645305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121452645943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60726322671 + 60726322672.

It is an arithmetic number, because the mean of its divisors is an integer number (60726322672).

Almost surely, 2^121452645343 is an apocalyptic number.

121452645343 is a deficient number, since it is larger than the sum of its proper divisors (1).

121452645343 is an equidigital number, since it uses as much as digits as its factorization.

121452645343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 40.

Adding to 121452645343 its reverse (343546254121), we get a palindrome (464998899464).

The spelling of 121452645343 in words is "one hundred twenty-one billion, four hundred fifty-two million, six hundred forty-five thousand, three hundred forty-three".