1232440220213 has 16 divisors (see below), whose sum is σ = 1245752893440. Its totient is φ = 1219204926000.

The previous prime is 1232440220203. The next prime is 1232440220261. The reversal of 1232440220213 is 3120220442321.

It is a cyclic number.

It is not a de Polignac number, because 1232440220213 - 2⁸ = 1232440219957 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 (1232440220203) 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, 39829358 + ... + 39860288.

It is an arithmetic number, because the mean of its divisors is an integer number (77859555840).

Almost surely, 2^{1232440220213} is an apocalyptic number.

It is an amenable number.

1232440220213 is a deficient number, since it is larger than the sum of its proper divisors (13312673227).

1232440220213 is a wasteful number, since it uses less digits than its factorization.

1232440220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32168.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1232440220213 its reverse (3120220442321), we get a palindrome (4352660662534).

The spelling of 1232440220213 in words is "one trillion, two hundred thirty-two billion, four hundred forty million, two hundred twenty thousand, two hundred thirteen".