121201331344 has 20 divisors (see below), whose sum is σ = 235880624896. Its totient is φ = 60328912032.

The previous prime is 121201331333. The next prime is 121201331399. The reversal of 121201331344 is 443133102121.

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, 16980924 + ... + 16988059.

Almost surely, 2^121201331344 is an apocalyptic number.

It is an amenable number.

121201331344 is a deficient number, since it is larger than the sum of its proper divisors (114679293552).

121201331344 is a wasteful number, since it uses less digits than its factorization.

121201331344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33969214 (or 33969208 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 121201331344 its reverse (443133102121), we get a palindrome (564334433465).

The spelling of 121201331344 in words is "one hundred twenty-one billion, two hundred one million, three hundred thirty-one thousand, three hundred forty-four".