12812632655653 has 4 divisors (see below), whose sum is σ = 12812659002540. Its totient is φ = 12812606308768.

The previous prime is 12812632655639. The next prime is 12812632655657. The reversal of 12812632655653 is 35655623621821.

12812632655653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6110576353764 + 6702056301889 = 2471958^2 + 2588833^2 .

It is a cyclic number.

It is not a de Polignac number, because 12812632655653 - 2¹³ = 12812632647461 is a prime.

It is a super-3 number, since 3×12812632655653³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12812632655594 and 12812632655603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12812632655657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12430000 + ... + 13421257.

It is an arithmetic number, because the mean of its divisors is an integer number (3203164750635).

Almost surely, 2^{12812632655653} is an apocalyptic number.

It is an amenable number.

12812632655653 is a deficient number, since it is larger than the sum of its proper divisors (26346887).

12812632655653 is an equidigital number, since it uses as much as digits as its factorization.

12812632655653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26346886.

The product of its digits is 15552000, while the sum is 55.

The spelling of 12812632655653 in words is "twelve trillion, eight hundred twelve billion, six hundred thirty-two million, six hundred fifty-five thousand, six hundred fifty-three".