1213200030203 has 16 divisors (see below), whose sum is σ = 1473531549120. Its totient is φ = 975077615616.

The previous prime is 1213200030197. The next prime is 1213200030227. The reversal of 1213200030203 is 3020300023121.

It is a cyclic number.

It is not a de Polignac number, because 1213200030203 - 2¹⁰ = 1213200029179 is a prime.

It is a super-2 number, since 2×1213200030203² (a number of 25 digits) contains 22 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 (1213200030253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18917726 + ... + 18981747.

It is an arithmetic number, because the mean of its divisors is an integer number (92095721820).

Almost surely, 2^{1213200030203} is an apocalyptic number.

1213200030203 is a deficient number, since it is larger than the sum of its proper divisors (260331518917).

1213200030203 is a wasteful number, since it uses less digits than its factorization.

1213200030203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37899766.

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

Adding to 1213200030203 its reverse (3020300023121), we get a palindrome (4233500053324).

The spelling of 1213200030203 in words is "one trillion, two hundred thirteen billion, two hundred million, thirty thousand, two hundred three".