12690013826652 has 24 divisors (see below), whose sum is σ = 29610903100800. Its totient is φ = 4229880203376.

The previous prime is 12690013826647. The next prime is 12690013826653. The reversal of 12690013826652 is 25662831009621.

It is a happy number.

It is a super-2 number, since 2×12690013826652² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12690013826595 and 12690013826604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12690013826653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15125202 + ... + 15942137.

It is an arithmetic number, because the mean of its divisors is an integer number (1233787629200).

Almost surely, 2^{12690013826652} is an apocalyptic number.

12690013826652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12690013826652 is an abundant number, since it is smaller than the sum of its proper divisors (16920889274148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12690013826652 is a wasteful number, since it uses less digits than its factorization.

12690013826652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31101385 (or 31101383 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 12690013826652 in words is "twelve trillion, six hundred ninety billion, thirteen million, eight hundred twenty-six thousand, six hundred fifty-two".