12551333252 has 24 divisors (see below), whose sum is σ = 22011919776. Its totient is φ = 6262231808.

The previous prime is 12551333237. The next prime is 12551333269. The reversal of 12551333252 is 25233315521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5520788 + ... + 5523060.

It is an arithmetic number, because the mean of its divisors is an integer number (917163324).

Almost surely, 2^12551333252 is an apocalyptic number.

It is an amenable number.

12551333252 is a deficient number, since it is larger than the sum of its proper divisors (9460586524).

12551333252 is a wasteful number, since it uses less digits than its factorization.

12551333252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627 (or 4625 counting only the distinct ones).

The product of its digits is 27000, while the sum is 32.

Adding to 12551333252 its reverse (25233315521), we get a palindrome (37784648773).

The spelling of 12551333252 in words is "twelve billion, five hundred fifty-one million, three hundred thirty-three thousand, two hundred fifty-two".