1225325043126 has 96 divisors (see below), whose sum is σ = 2774677800960. Its totient is φ = 390304135872.

The previous prime is 1225325043091. The next prime is 1225325043127. The reversal of 1225325043126 is 6213405235221.

1225325043126 is a `hidden beast` number, since 1 + 2 + 25 + 3 + 2 + 504 + 3 + 126 = 666.

It is a super-2 number, since 2×1225325043126² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225325043127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110913735 + ... + 110924781.

It is an arithmetic number, because the mean of its divisors is an integer number (28902893760).

Almost surely, 2^{1225325043126} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225325043126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1387338900480).

1225325043126 is an abundant number, since it is smaller than the sum of its proper divisors (1549352757834).

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

1225325043126 is a wasteful number, since it uses less digits than its factorization.

1225325043126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13250 (or 13247 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 1225325043126 in words is "one trillion, two hundred twenty-five billion, three hundred twenty-five million, forty-three thousand, one hundred twenty-six".