121612065430603 has 32 divisors (see below), whose sum is σ = 137458526765760. Its totient is φ = 106576108853760.

The previous prime is 121612065430567. The next prime is 121612065430633. The reversal of 121612065430603 is 306034560216121.

It is a cyclic number.

It is not a de Polignac number, because 121612065430603 - 2³³ = 121603475496011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121612065430633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2970982525 + ... + 2971023457.

It is an arithmetic number, because the mean of its divisors is an integer number (4295578961430).

Almost surely, 2^{121612065430603} is an apocalyptic number.

121612065430603 is a deficient number, since it is larger than the sum of its proper divisors (15846461335157).

121612065430603 is a wasteful number, since it uses less digits than its factorization.

121612065430603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55407.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 121612065430603 in words is "one hundred twenty-one trillion, six hundred twelve billion, sixty-five million, four hundred thirty thousand, six hundred three".