12690358582548 has 96 divisors (see below), whose sum is σ = 31125534451200. Its totient is φ = 4018788393984.

The previous prime is 12690358582543. The next prime is 12690358582591. The reversal of 12690358582548 is 84528585309621.

It is a super-2 number, since 2×12690358582548² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12690358582543) 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, 7267440 + ... + 8842872.

It is an arithmetic number, because the mean of its divisors is an integer number (324224317200).

Almost surely, 2^{12690358582548} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12690358582548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15562767225600).

12690358582548 is an abundant number, since it is smaller than the sum of its proper divisors (18435175868652).

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

12690358582548 is a wasteful number, since it uses less digits than its factorization.

12690358582548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575841 (or 1575839 counting only the distinct ones).

The product of its (nonzero) digits is 165888000, while the sum is 66.

The spelling of 12690358582548 in words is "twelve trillion, six hundred ninety billion, three hundred fifty-eight million, five hundred eighty-two thousand, five hundred forty-eight".