121504052204440 has 16 divisors (see below), whose sum is σ = 273384117460080. Its totient is φ = 48601620881760.

The previous prime is 121504052204407. The next prime is 121504052204453. The reversal of 121504052204440 is 44402250405121.

121504052204440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121504052204396 and 121504052204405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1518800652516 + ... + 1518800652595.

It is an arithmetic number, because the mean of its divisors is an integer number (17086507341255).

Almost surely, 2^{121504052204440} is an apocalyptic number.

121504052204440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121504052204440 is an abundant number, since it is smaller than the sum of its proper divisors (151880065255640).

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

121504052204440 is a wasteful number, since it uses less digits than its factorization.

121504052204440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037601305122 (or 3037601305118 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

The spelling of 121504052204440 in words is "one hundred twenty-one trillion, five hundred four billion, fifty-two million, two hundred four thousand, four hundred forty".