1214003231213 has 4 divisors (see below), whose sum is σ = 1226518728540. Its totient is φ = 1201487733888.

The previous prime is 1214003231191. The next prime is 1214003231249. The reversal of 1214003231213 is 3121323004121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 690090734089 + 523912497124 = 830717^2 + 723818^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214003231213 - 2³⁰ = 1212929489389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214003231263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6257748518 + ... + 6257748711.

It is an arithmetic number, because the mean of its divisors is an integer number (306629682135).

Almost surely, 2^{1214003231213} is an apocalyptic number.

It is an amenable number.

1214003231213 is a deficient number, since it is larger than the sum of its proper divisors (12515497327).

1214003231213 is an equidigital number, since it uses as much as digits as its factorization.

1214003231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12515497326.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1214003231213 its reverse (3121323004121), we get a palindrome (4335326235334).

The spelling of 1214003231213 in words is "one trillion, two hundred fourteen billion, three million, two hundred thirty-one thousand, two hundred thirteen".