6542611202012 has 24 divisors (see below), whose sum is σ = 12119833110000. Its totient is φ = 3085048423296.

The previous prime is 6542611202011. The next prime is 6542611202027. The reversal of 6542611202012 is 2102021162456.

It is a super-2 number, since 2×6542611202012² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6542611202012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542611202011) 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, 655830137 + ... + 655840112.

It is an arithmetic number, because the mean of its divisors is an integer number (504993046250).

Almost surely, 2^{6542611202012} is an apocalyptic number.

It is an amenable number.

6542611202012 is a deficient number, since it is larger than the sum of its proper divisors (5577221907988).

6542611202012 is a wasteful number, since it uses less digits than its factorization.

6542611202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311670325 (or 1311670323 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 6542611202012 its reverse (2102021162456), we get a palindrome (8644632364468).

The spelling of 6542611202012 in words is "six trillion, five hundred forty-two billion, six hundred eleven million, two hundred two thousand, twelve".