121320334143207 has 12 divisors (see below), whose sum is σ = 175656730834104. Its totient is φ = 80688108216240.

The previous prime is 121320334143199. The next prime is 121320334143221. The reversal of 121320334143207 is 702341433023121.

121320334143207 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 2 + 0 + 33 + 414 + 3 + 207 = 666.

It is not a de Polignac number, because 121320334143207 - 2³ = 121320334143199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320334143287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16009541493 + ... + 16009549070.

It is an arithmetic number, because the mean of its divisors is an integer number (14638060902842).

Almost surely, 2^{121320334143207} is an apocalyptic number.

121320334143207 is a deficient number, since it is larger than the sum of its proper divisors (54336396690897).

121320334143207 is a wasteful number, since it uses less digits than its factorization.

121320334143207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32019090990 (or 32019090987 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

Adding to 121320334143207 its reverse (702341433023121), we get a palindrome (823661767166328).

The spelling of 121320334143207 in words is "one hundred twenty-one trillion, three hundred twenty billion, three hundred thirty-four million, one hundred forty-three thousand, two hundred seven".