1253051243300 has 36 divisors (see below), whose sum is σ = 2719198092996. Its totient is φ = 501206323200.

The previous prime is 1253051243263. The next prime is 1253051243309. The reversal of 1253051243300 is 33421503521.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 121244632804 + 1131806610496 = 348202^2 + 1063864^2 .

It is not an unprimeable number, because it can be changed into a prime (1253051243309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3826844 + ... + 4141356.

It is an arithmetic number, because the mean of its divisors is an integer number (75533280361).

Almost surely, 2^{1253051243300} is an apocalyptic number.

1253051243300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253051243300 is an abundant number, since it is smaller than the sum of its proper divisors (1466146849696).

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

1253051243300 is a wasteful number, since it uses less digits than its factorization.

1253051243300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354368 (or 354361 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 1253051243300 its reverse (33421503521), we get a palindrome (1286472746821).

The spelling of 1253051243300 in words is "one trillion, two hundred fifty-three billion, fifty-one million, two hundred forty-three thousand, three hundred".