1226541612 has 12 divisors (see below), whose sum is σ = 2861930456. Its totient is φ = 408847200.

The previous prime is 1226541611. The next prime is 1226541703. The reversal of 1226541612 is 2161456221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1226541612.

It is not an unprimeable number, because it can be changed into a prime (1226541611) 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 3 ways as a sum of consecutive naturals, for example, 51105889 + ... + 51105912.

Almost surely, 2^1226541612 is an apocalyptic number.

1226541612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1226541612 is an abundant number, since it is smaller than the sum of its proper divisors (1635388844).

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

1226541612 is a wasteful number, since it uses less digits than its factorization.

1226541612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102211808 (or 102211806 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 1226541612 is about 35022.0161041594. The cubic root of 1226541612 is about 1070.4361374571.

Adding to 1226541612 its reverse (2161456221), we get a palindrome (3387997833).

The spelling of 1226541612 in words is "one billion, two hundred twenty-six million, five hundred forty-one thousand, six hundred twelve".