121345355510307 has 6 divisors (see below), whose sum is σ = 175276624626012. Its totient is φ = 80896903673532.

The previous prime is 121345355510279. The next prime is 121345355510339. The reversal of 121345355510307 is 703015553543121.

121345355510307 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 4 + 53 + 55 + 510 + 30 + 7 = 666.

It is not a de Polignac number, because 121345355510307 - 2⁷ = 121345355510179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121345355510377) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6741408639453 + ... + 6741408639470.

It is an arithmetic number, because the mean of its divisors is an integer number (29212770771002).

Almost surely, 2^{121345355510307} is an apocalyptic number.

121345355510307 is a deficient number, since it is larger than the sum of its proper divisors (53931269115705).

121345355510307 is a wasteful number, since it uses less digits than its factorization.

121345355510307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13482817278929 (or 13482817278926 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 45.

The spelling of 121345355510307 in words is "one hundred twenty-one trillion, three hundred forty-five billion, three hundred fifty-five million, five hundred ten thousand, three hundred seven".