121432040344404 has 72 divisors (see below), whose sum is σ = 307800723862632. Its totient is φ = 40365671362560.

The previous prime is 121432040344379. The next prime is 121432040344423. The reversal of 121432040344404 is 404443040234121.

121432040344404 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 3 + 204 + 0 + 3 + 4 + 440 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 254875541904 + 121177164802500 = 504852^2 + 11008050^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32867212 + ... + 36374684.

Almost surely, 2^{121432040344404} is an apocalyptic number.

It is an amenable number.

121432040344404 is an abundant number, since it is smaller than the sum of its proper divisors (186368683518228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121432040344404 is a wasteful number, since it uses less digits than its factorization.

121432040344404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510137 (or 3510132 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 121432040344404 its reverse (404443040234121), we get a palindrome (525875080578525).

The spelling of 121432040344404 in words is "one hundred twenty-one trillion, four hundred thirty-two billion, forty million, three hundred forty-four thousand, four hundred four".