121212041343 has 8 divisors (see below), whose sum is σ = 171122881968. Its totient is φ = 76054614144.

The previous prime is 121212041333. The next prime is 121212041387. The reversal of 121212041343 is 343140212121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121212041343 - 2⁵ = 121212041311 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121212041303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188353296 + ... + 1188353397.

It is an arithmetic number, because the mean of its divisors is an integer number (21390360246).

Almost surely, 2^121212041343 is an apocalyptic number.

121212041343 is a deficient number, since it is larger than the sum of its proper divisors (49910840625).

121212041343 is a wasteful number, since it uses less digits than its factorization.

121212041343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376706713.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 121212041343 its reverse (343140212121), we get a palindrome (464352253464).

The spelling of 121212041343 in words is "one hundred twenty-one billion, two hundred twelve million, forty-one thousand, three hundred forty-three".