4125051221200 has 480 divisors, whose sum is σ = 12526513529600. Its totient is φ = 1297107302400.

The previous prime is 4125051221183. The next prime is 4125051221219. The reversal of 4125051221200 is 21221505214.

It is a super-2 number, since 2×4125051221200² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 280017835 + ... + 280032565.

Almost surely, 2^{4125051221200} is an apocalyptic number.

4125051221200 is a gapful number since it is divisible by the number (40) 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 4125051221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6263256764800).

4125051221200 is an abundant number, since it is smaller than the sum of its proper divisors (8401462308400).

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

4125051221200 is a wasteful number, since it uses less digits than its factorization.

4125051221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14940 (or 14915 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 4125051221200 its reverse (21221505214), we get a palindrome (4146272726414).

The spelling of 4125051221200 in words is "four trillion, one hundred twenty-five billion, fifty-one million, two hundred twenty-one thousand, two hundred".