121884084399 has 32 divisors (see below), whose sum is σ = 203360256000. Its totient is φ = 63082735200.

The previous prime is 121884084383. The next prime is 121884084403. The reversal of 121884084399 is 993480488121.

It is not a de Polignac number, because 121884084399 - 2⁴ = 121884084383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121884085399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 910899 + ... + 1036100.

It is an arithmetic number, because the mean of its divisors is an integer number (6355008000).

Almost surely, 2^121884084399 is an apocalyptic number.

121884084399 is a deficient number, since it is larger than the sum of its proper divisors (81476171601).

121884084399 is a wasteful number, since it uses less digits than its factorization.

121884084399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947291.

The product of its (nonzero) digits is 3981312, while the sum is 57.

The spelling of 121884084399 in words is "one hundred twenty-one billion, eight hundred eighty-four million, eighty-four thousand, three hundred ninety-nine".