1252214445320 has 32 divisors (see below), whose sum is σ = 2817854443800. Its totient is φ = 500819655168.

The previous prime is 1252214445289. The next prime is 1252214445367. The reversal of 1252214445320 is 235444122521.

It can be written as a sum of positive squares in 4 ways, for example, as 569055992164 + 683158453156 = 754358^2 + 826534^2 .

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, 1758989 + ... + 2366108.

Almost surely, 2^{1252214445320} is an apocalyptic number.

1252214445320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252214445320 is an abundant number, since it is smaller than the sum of its proper divisors (1565639998480).

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

1252214445320 is a wasteful number, since it uses less digits than its factorization.

1252214445320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4132697 (or 4132693 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 1252214445320 its reverse (235444122521), we get a palindrome (1487658567841).

The spelling of 1252214445320 in words is "one trillion, two hundred fifty-two billion, two hundred fourteen million, four hundred forty-five thousand, three hundred twenty".