1228130013 has 16 divisors (see below), whose sum is σ = 1787415552. Its totient is φ = 743886000.

The previous prime is 1228129993. The next prime is 1228130041. The reversal of 1228130013 is 3100318221.

It is not a de Polignac number, because 1228130013 - 2⁹ = 1228129501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228130053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51798 + ... + 71688.

It is an arithmetic number, because the mean of its divisors is an integer number (111713472).

Almost surely, 2^1228130013 is an apocalyptic number.

It is an amenable number.

1228130013 is a deficient number, since it is larger than the sum of its proper divisors (559285539).

1228130013 is a wasteful number, since it uses less digits than its factorization.

1228130013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21776.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1228130013 is about 35044.6859452328. The cubic root of 1228130013 is about 1070.8980183461.

Adding to 1228130013 its reverse (3100318221), we get a palindrome (4328448234).

The spelling of 1228130013 in words is "one billion, two hundred twenty-eight million, one hundred thirty thousand, thirteen".