5551221412232 has 32 divisors (see below), whose sum is σ = 10767920895000. Its totient is φ = 2679784117248.

The previous prime is 5551221412213. The next prime is 5551221412279. The reversal of 5551221412232 is 2322141221555.

It can be written as a sum of positive squares in 4 ways, for example, as 4680706288036 + 870515124196 = 2163494^2 + 933014^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5551221412192 and 5551221412201.

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, 4985744 + ... + 5996672.

Almost surely, 2^{5551221412232} is an apocalyptic number.

It is an amenable number.

5551221412232 is a deficient number, since it is larger than the sum of its proper divisors (5216699482768).

5551221412232 is a wasteful number, since it uses less digits than its factorization.

5551221412232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034633 (or 1034629 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

Adding to 5551221412232 its reverse (2322141221555), we get a palindrome (7873362633787).

The spelling of 5551221412232 in words is "five trillion, five hundred fifty-one billion, two hundred twenty-one million, four hundred twelve thousand, two hundred thirty-two".