12810273072 has 40 divisors (see below), whose sum is σ = 33304009776. Its totient is φ = 4242890496.

The previous prime is 12810273059. The next prime is 12810273079. The reversal of 12810273072 is 27037201821.

It is not an unprimeable number, because it can be changed into a prime (12810273079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842403 + ... + 857474.

Almost surely, 2^12810273072 is an apocalyptic number.

12810273072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12810273072 is an abundant number, since it is smaller than the sum of its proper divisors (20493736704).

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

12810273072 is a wasteful number, since it uses less digits than its factorization.

12810273072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700045 (or 1700039 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

Adding to 12810273072 its reverse (27037201821), we get a palindrome (39847474893).

The spelling of 12810273072 in words is "twelve billion, eight hundred ten million, two hundred seventy-three thousand, seventy-two".