12662435036523 has 8 divisors (see below), whose sum is σ = 16925773786768. Its totient is φ = 8420359821984.

The previous prime is 12662435036507. The next prime is 12662435036551. The reversal of 12662435036523 is 32563053426621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12662435036523 - 2⁴ = 12662435036507 is a prime.

It is a super-2 number, since 2×12662435036523² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12662435036723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5315882536 + ... + 5315884917.

It is an arithmetic number, because the mean of its divisors is an integer number (2115721723346).

Almost surely, 2^{12662435036523} is an apocalyptic number.

12662435036523 is a deficient number, since it is larger than the sum of its proper divisors (4263338750245).

12662435036523 is a wasteful number, since it uses less digits than its factorization.

12662435036523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10631767853.

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 12662435036523 in words is "twelve trillion, six hundred sixty-two billion, four hundred thirty-five million, thirty-six thousand, five hundred twenty-three".