1000013001224 has 16 divisors (see below), whose sum is σ = 1893588976620. Its totient is φ = 495055940800.

The previous prime is 1000013001223. The next prime is 1000013001233. The reversal of 1000013001224 is 4221003100001.

It can be written as a sum of positive squares in 2 ways, for example, as 829429132900 + 170583868324 = 910730^2 + 413018^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1000013001199 and 1000013001208.

It is not an unprimeable number, because it can be changed into a prime (1000013001223) by changing a digit.

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, 618819119 + ... + 618820734.

Almost surely, 2^{1000013001224} is an apocalyptic number.

It is an amenable number.

1000013001224 is a deficient number, since it is larger than the sum of its proper divisors (893575975396).

1000013001224 is a wasteful number, since it uses less digits than its factorization.

1000013001224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237639960 (or 1237639956 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1000013001224 its reverse (4221003100001), we get a palindrome (5221016101225).

The spelling of 1000013001224 in words is "one trillion, thirteen million, one thousand, two hundred twenty-four".