121632436304 has 10 divisors (see below), whose sum is σ = 235662845370. Its totient is φ = 60816218144.

The previous prime is 121632436301. The next prime is 121632436309. The reversal of 121632436304 is 403634236121.

It can be written as a sum of positive squares in only one way, i.e., 77591216704 + 44041219600 = 278552^2 + 209860^2 .

It is a super-2 number, since 2×121632436304² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121632436301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3801013619 + ... + 3801013650.

It is an arithmetic number, because the mean of its divisors is an integer number (23566284537).

Almost surely, 2^121632436304 is an apocalyptic number.

It is an amenable number.

121632436304 is a deficient number, since it is larger than the sum of its proper divisors (114030409066).

121632436304 is an equidigital number, since it uses as much as digits as its factorization.

121632436304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7602027277 (or 7602027271 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 121632436304 in words is "one hundred twenty-one billion, six hundred thirty-two million, four hundred thirty-six thousand, three hundred four".