6543245123412 has 48 divisors (see below), whose sum is σ = 15276944827200. Its totient is φ = 2179743022080.

The previous prime is 6543245123329. The next prime is 6543245123479. The reversal of 6543245123412 is 2143215423456.

It is a super-2 number, since 2×6543245123412² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272407539 + ... + 272431557.

It is an arithmetic number, because the mean of its divisors is an integer number (318269683900).

Almost surely, 2^{6543245123412} is an apocalyptic number.

It is an amenable number.

6543245123412 is an abundant number, since it is smaller than the sum of its proper divisors (8733699703788).

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

6543245123412 is a wasteful number, since it uses less digits than its factorization.

6543245123412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37016 (or 37014 counting only the distinct ones).

The product of its digits is 691200, while the sum is 42.

The spelling of 6543245123412 in words is "six trillion, five hundred forty-three billion, two hundred forty-five million, one hundred twenty-three thousand, four hundred twelve".