1232130222138 has 32 divisors (see below), whose sum is σ = 2543836907520. Its totient is φ = 397448207280.

The previous prime is 1232130222091. The next prime is 1232130222139. The reversal of 1232130222138 is 8312220312321.

It is not an unprimeable number, because it can be changed into a prime (1232130222139) 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, 6639253 + ... + 6822311.

It is an arithmetic number, because the mean of its divisors is an integer number (79494903360).

Almost surely, 2^{1232130222138} is an apocalyptic number.

1232130222138 is an abundant number, since it is smaller than the sum of its proper divisors (1311706685382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1232130222138 is a wasteful number, since it uses less digits than its factorization.

1232130222138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219282.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 1232130222138 its reverse (8312220312321), we get a palindrome (9544350534459).

The spelling of 1232130222138 in words is "one trillion, two hundred thirty-two billion, one hundred thirty million, two hundred twenty-two thousand, one hundred thirty-eight".