1226532512 has 48 divisors (see below), whose sum is σ = 2452343040. Its totient is φ = 603762432.

The previous prime is 1226532511. The next prime is 1226532557. The reversal of 1226532512 is 2152356221.

It is not an unprimeable number, because it can be changed into a prime (1226532511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1650413 + ... + 1651155.

It is an arithmetic number, because the mean of its divisors is an integer number (51090480).

Almost surely, 2^1226532512 is an apocalyptic number.

It is an amenable number.

1226532512 is a deficient number, since it is larger than the sum of its proper divisors (1225810528).

1226532512 is an equidigital number, since it uses as much as digits as its factorization.

1226532512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485 (or 1477 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 1226532512 is about 35021.8861856411. The cubic root of 1226532512 is about 1070.4334901783.

Adding to 1226532512 its reverse (2152356221), we get a palindrome (3378888733).

The spelling of 1226532512 in words is "one billion, two hundred twenty-six million, five hundred thirty-two thousand, five hundred twelve".