121344210419 has 2 divisors, whose sum is σ = 121344210420. Its totient is φ = 121344210418.

The previous prime is 121344210397. The next prime is 121344210479. The reversal of 121344210419 is 914012443121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121344210419 - 2¹² = 121344206323 is a prime.

It is a super-3 number, since 3×121344210419³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (121344210479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60672105209 + 60672105210.

It is an arithmetic number, because the mean of its divisors is an integer number (60672105210).

Almost surely, 2^121344210419 is an apocalyptic number.

121344210419 is a deficient number, since it is larger than the sum of its proper divisors (1).

121344210419 is an equidigital number, since it uses as much as digits as its factorization.

121344210419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 121344210419 in words is "one hundred twenty-one billion, three hundred forty-four million, two hundred ten thousand, four hundred nineteen".