1252344312320 has 80 divisors (see below), whose sum is σ = 3024609468408. Its totient is φ = 497281105920.

The previous prime is 1252344312287. The next prime is 1252344312341. The reversal of 1252344312320 is 232134432521.

It can be written as a sum of positive squares in 4 ways, for example, as 788572416256 + 463771896064 = 888016^2 + 681008^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1434671 + ... + 2136110.

Almost surely, 2^{1252344312320} is an apocalyptic number.

1252344312320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252344312320 is an abundant number, since it is smaller than the sum of its proper divisors (1772265156088).

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

1252344312320 is an equidigital number, since it uses as much as digits as its factorization.

1252344312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570941 (or 3570925 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 1252344312320 its reverse (232134432521), we get a palindrome (1484478744841).

The spelling of 1252344312320 in words is "one trillion, two hundred fifty-two billion, three hundred forty-four million, three hundred twelve thousand, three hundred twenty".