22133132131240 has 128 divisors (see below), whose sum is σ = 54775680744960. Its totient is φ = 7997723910144.

The previous prime is 22133132131189. The next prime is 22133132131241. The reversal of 22133132131240 is 4213123133122.

It is a junction number, because it is equal to n+sod(n) for n = 22133132131199 and 22133132131208.

It is not an unprimeable number, because it can be changed into a prime (22133132131241) 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, 401203899 + ... + 401259061.

It is an arithmetic number, because the mean of its divisors is an integer number (427935005820).

Almost surely, 2^{22133132131240} is an apocalyptic number.

22133132131240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22133132131240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27387840372480).

22133132131240 is an abundant number, since it is smaller than the sum of its proper divisors (32642548613720).

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

22133132131240 is a wasteful number, since it uses less digits than its factorization.

22133132131240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71651 (or 71647 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 22133132131240 its reverse (4213123133122), we get a palindrome (26346255264362).

The spelling of 22133132131240 in words is "twenty-two trillion, one hundred thirty-three billion, one hundred thirty-two million, one hundred thirty-one thousand, two hundred forty".