121212341122 has 8 divisors (see below), whose sum is σ = 186046849296. Its totient is φ = 59196724692.

The previous prime is 121212341111. The next prime is 121212341149. The reversal of 121212341122 is 221143212121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121212341093 and 121212341102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704722828 + ... + 704722999.

It is an arithmetic number, because the mean of its divisors is an integer number (23255856162).

Almost surely, 2^121212341122 is an apocalyptic number.

121212341122 is a deficient number, since it is larger than the sum of its proper divisors (64834508174).

121212341122 is a wasteful number, since it uses less digits than its factorization.

121212341122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409445872.

The product of its digits is 384, while the sum is 22.

Adding to 121212341122 its reverse (221143212121), we get a palindrome (342355553243).

The spelling of 121212341122 in words is "one hundred twenty-one billion, two hundred twelve million, three hundred forty-one thousand, one hundred twenty-two".