1252207011840 has 192 divisors, whose sum is σ = 4024070668800. Its totient is φ = 332422643712.

The previous prime is 1252207011659. The next prime is 1252207011859. The reversal of 1252207011840 is 481107022521.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6759166 + ... + 6941954.

It is an arithmetic number, because the mean of its divisors is an integer number (20958701400).

Almost surely, 2^{1252207011840} is an apocalyptic number.

1252207011840 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 1252207011840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2012035334400).

1252207011840 is an abundant number, since it is smaller than the sum of its proper divisors (2771863656960).

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

1252207011840 is a wasteful number, since it uses less digits than its factorization.

1252207011840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183042 (or 183022 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The spelling of 1252207011840 in words is "one trillion, two hundred fifty-two billion, two hundred seven million, eleven thousand, eight hundred forty".