1253412140201 has 4 divisors (see below), whose sum is σ = 1349828458692. Its totient is φ = 1156995821712.

The previous prime is 1253412140191. The next prime is 1253412140219. The reversal of 1253412140201 is 1020412143521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 299422368025 + 953989772176 = 547195^2 + 976724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1253412140201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253412140231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48208159226 + ... + 48208159251.

It is an arithmetic number, because the mean of its divisors is an integer number (337457114673).

Almost surely, 2^{1253412140201} is an apocalyptic number.

It is an amenable number.

1253412140201 is a deficient number, since it is larger than the sum of its proper divisors (96416318491).

1253412140201 is an equidigital number, since it uses as much as digits as its factorization.

1253412140201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96416318490.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1253412140201 its reverse (1020412143521), we get a palindrome (2273824283722).

The spelling of 1253412140201 in words is "one trillion, two hundred fifty-three billion, four hundred twelve million, one hundred forty thousand, two hundred one".