1232123140213 has 32 divisors (see below), whose sum is σ = 1520662348800. Its totient is φ = 974925300096.

The previous prime is 1232123140211. The next prime is 1232123140217. The reversal of 1232123140213 is 3120413212321.

It is a cyclic number.

It is not a de Polignac number, because 1232123140213 - 2¹ = 1232123140211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232123140211) 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, 41358 + ... + 1570336.

It is an arithmetic number, because the mean of its divisors is an integer number (47520698400).

Almost surely, 2^{1232123140213} is an apocalyptic number.

It is an amenable number.

1232123140213 is a deficient number, since it is larger than the sum of its proper divisors (288539208587).

1232123140213 is a wasteful number, since it uses less digits than its factorization.

1232123140213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529161.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1232123140213 its reverse (3120413212321), we get a palindrome (4352536352534).

The spelling of 1232123140213 in words is "one trillion, two hundred thirty-two billion, one hundred twenty-three million, one hundred forty thousand, two hundred thirteen".