12435078730501 has 12 divisors (see below), whose sum is σ = 14465969040780. Its totient is φ = 10658142741120.

The previous prime is 12435078730489. The next prime is 12435078730507. The reversal of 12435078730501 is 10503787053421.

It can be written as a sum of positive squares in 2 ways, for example, as 7259931469476 + 5175147261025 = 2694426^2 + 2274895^2 .

It is not a de Polignac number, because 12435078730501 - 2¹⁵ = 12435078697733 is a prime.

It is a super-2 number, since 2×12435078730501² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12435078730507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4841506 + ... + 6950563.

It is an arithmetic number, because the mean of its divisors is an integer number (1205497420065).

Almost surely, 2^{12435078730501} is an apocalyptic number.

It is an amenable number.

12435078730501 is a deficient number, since it is larger than the sum of its proper divisors (2030890310279).

12435078730501 is a wasteful number, since it uses less digits than its factorization.

12435078730501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11813604 (or 11813597 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 12435078730501 in words is "twelve trillion, four hundred thirty-five billion, seventy-eight million, seven hundred thirty thousand, five hundred one".