1213203234213 has 16 divisors (see below), whose sum is σ = 1797486552000. Its totient is φ = 808735363920.

The previous prime is 1213203234211. The next prime is 1213203234223. The reversal of 1213203234213 is 3124323023121.

1213203234213 is a `hidden beast` number, since 1 + 2 + 1 + 320 + 323 + 4 + 2 + 13 = 666.

It is not a de Polignac number, because 1213203234213 - 2¹ = 1213203234211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213203234211) 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, 1521243 + ... + 2177288.

It is an arithmetic number, because the mean of its divisors is an integer number (112342909500).

Almost surely, 2^{1213203234213} is an apocalyptic number.

It is an amenable number.

1213203234213 is a deficient number, since it is larger than the sum of its proper divisors (584283317787).

1213203234213 is a wasteful number, since it uses less digits than its factorization.

1213203234213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710689 (or 3710683 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1213203234213 its reverse (3124323023121), we get a palindrome (4337526257334).

It can be divided in two parts, 121320 and 3234213, that added together give a palindrome (3355533).

The spelling of 1213203234213 in words is "one trillion, two hundred thirteen billion, two hundred three million, two hundred thirty-four thousand, two hundred thirteen".