1213230210213 has 32 divisors (see below), whose sum is σ = 1856937793536. Its totient is φ = 690201983808.

The previous prime is 1213230210161. The next prime is 1213230210221. The reversal of 1213230210213 is 3120120323121.

It is not a de Polignac number, because 1213230210213 - 2⁶ = 1213230210149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1213230210213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213230210253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5948106 + ... + 6148692.

It is an arithmetic number, because the mean of its divisors is an integer number (58029306048).

Almost surely, 2^{1213230210213} is an apocalyptic number.

It is an amenable number.

1213230210213 is a deficient number, since it is larger than the sum of its proper divisors (643707583323).

1213230210213 is a wasteful number, since it uses less digits than its factorization.

1213230210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201873.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1213230210213 its reverse (3120120323121), we get a palindrome (4333350533334).

The spelling of 1213230210213 in words is "one trillion, two hundred thirteen billion, two hundred thirty million, two hundred ten thousand, two hundred thirteen".