12742950828 has 18 divisors (see below), whose sum is σ = 29734464396. Its totient is φ = 4247519928.

The previous prime is 12742950827. The next prime is 12742950833. The reversal of 12742950828 is 82805924721.

It is not an unprimeable number, because it can be changed into a prime (12742950821) 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 5 ways as a sum of consecutive naturals, for example, 374751 + ... + 407337.

Almost surely, 2^12742950828 is an apocalyptic number.

It is an amenable number.

12742950828 is an abundant number, since it is smaller than the sum of its proper divisors (16991513568).

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

12742950828 is an frugal number, since it uses more digits than its factorization.

12742950828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65181 (or 32592 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

Multiplying 12742950828 by its sum of digits (48), we get a square (611661639744 = 782088²).

The spelling of 12742950828 in words is "twelve billion, seven hundred forty-two million, nine hundred fifty thousand, eight hundred twenty-eight".