1213223003 has 8 divisors (see below), whose sum is σ = 1287064080. Its totient is φ = 1139656960.

The previous prime is 1213222949. The next prime is 1213223029. The reversal of 1213223003 is 3003223121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1213223003 - 2¹² = 1213218907 is a prime.

It is a super-3 number, since 3×1213223003³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213223603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59633 + ... + 77346.

It is an arithmetic number, because the mean of its divisors is an integer number (160883010).

Almost surely, 2^1213223003 is an apocalyptic number.

1213223003 is a deficient number, since it is larger than the sum of its proper divisors (73841077).

1213223003 is a wasteful number, since it uses less digits than its factorization.

1213223003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137517.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1213223003 is about 34831.3508638410. The cubic root of 1213223003 is about 1066.5475244641.

Adding to 1213223003 its reverse (3003223121), we get a palindrome (4216446124).

The spelling of 1213223003 in words is "one billion, two hundred thirteen million, two hundred twenty-three thousand, three".