121632730373 has 16 divisors (see below), whose sum is σ = 152046159360. Its totient is φ = 94528652400.

The previous prime is 121632730357. The next prime is 121632730379. The reversal of 121632730373 is 373037236121.

It is not a de Polignac number, because 121632730373 - 2⁴ = 121632730357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121632730379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2054783 + ... + 2113148.

It is an arithmetic number, because the mean of its divisors is an integer number (9502884960).

Almost surely, 2^121632730373 is an apocalyptic number.

It is an amenable number.

121632730373 is a deficient number, since it is larger than the sum of its proper divisors (30413428987).

121632730373 is a wasteful number, since it uses less digits than its factorization.

121632730373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168328.

The product of its (nonzero) digits is 95256, while the sum is 38.

Adding to 121632730373 its reverse (373037236121), we get a palindrome (494669966494).

The spelling of 121632730373 in words is "one hundred twenty-one billion, six hundred thirty-two million, seven hundred thirty thousand, three hundred seventy-three".