12798144252 has 18 divisors (see below), whose sum is σ = 32350864728. Its totient is φ = 4266048072.

The previous prime is 12798144209. The next prime is 12798144269. The reversal of 12798144252 is 25244189721.

12798144252 is a `hidden beast` number, since 12 + 79 + 81 + 442 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 12798144198 and 12798144207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177751968 + ... + 177752039.

Almost surely, 2^12798144252 is an apocalyptic number.

12798144252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12798144252 is an abundant number, since it is smaller than the sum of its proper divisors (19552720476).

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

12798144252 is a wasteful number, since it uses less digits than its factorization.

12798144252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355504017 (or 355504012 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The spelling of 12798144252 in words is "twelve billion, seven hundred ninety-eight million, one hundred forty-four thousand, two hundred fifty-two".