551331022012 has 12 divisors (see below), whose sum is σ = 964844055000. Its totient is φ = 275661292016.

The previous prime is 551331022001. The next prime is 551331022027. The reversal of 551331022012 is 210220133155.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751003 + ... + 1290994.

It is an arithmetic number, because the mean of its divisors is an integer number (80403671250).

Almost surely, 2^551331022012 is an apocalyptic number.

It is an amenable number.

551331022012 is a deficient number, since it is larger than the sum of its proper divisors (413513032988).

551331022012 is a wasteful number, since it uses less digits than its factorization.

551331022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109500 (or 2109498 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 551331022012 its reverse (210220133155), we get a palindrome (761551155167).

The spelling of 551331022012 in words is "five hundred fifty-one billion, three hundred thirty-one million, twenty-two thousand, twelve".