1252011250240 has 112 divisors (see below), whose sum is σ = 3147160705920. Its totient is φ = 473101516800.

The previous prime is 1252011250187. The next prime is 1252011250247. The reversal of 1252011250240 is 420521102521.

It is not an unprimeable number, because it can be changed into a prime (1252011250247) 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, 1854565 + ... + 2437915.

It is an arithmetic number, because the mean of its divisors is an integer number (28099649160).

Almost surely, 2^{1252011250240} is an apocalyptic number.

1252011250240 is a gapful number since it is divisible by the number (10) 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 1252011250240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1573580352960).

1252011250240 is an abundant number, since it is smaller than the sum of its proper divisors (1895149455680).

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

1252011250240 is a wasteful number, since it uses less digits than its factorization.

1252011250240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583740 (or 583730 counting only the distinct ones).

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

Adding to 1252011250240 its reverse (420521102521), we get a palindrome (1672532352761).

The spelling of 1252011250240 in words is "one trillion, two hundred fifty-two billion, eleven million, two hundred fifty thousand, two hundred forty".