4125422131500 has 96 divisors (see below), whose sum is σ = 12017476126656. Its totient is φ = 1099723660800.

The previous prime is 4125422131451. The next prime is 4125422131507. The reversal of 4125422131500 is 51312245214.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (4125422131507) 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, 3770784 + ... + 4740216.

It is an arithmetic number, because the mean of its divisors is an integer number (125182042986).

Almost surely, 2^{4125422131500} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4125422131500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6008738063328).

4125422131500 is an abundant number, since it is smaller than the sum of its proper divisors (7892053995156).

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

4125422131500 is a wasteful number, since it uses less digits than its factorization.

4125422131500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972292 (or 972280 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 4125422131500 its reverse (51312245214), we get a palindrome (4176734376714).

The spelling of 4125422131500 in words is "four trillion, one hundred twenty-five billion, four hundred twenty-two million, one hundred thirty-one thousand, five hundred".