1253312000103 has 4 divisors (see below), whose sum is σ = 1671082666808. Its totient is φ = 835541333400.

The previous prime is 1253312000069. The next prime is 1253312000123. The reversal of 1253312000103 is 3010002133521.

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

It is not a de Polignac number, because 1253312000103 - 2⁸ = 1253311999847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1253312000103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253312000123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208885333348 + ... + 208885333353.

It is an arithmetic number, because the mean of its divisors is an integer number (417770666702).

Almost surely, 2^{1253312000103} is an apocalyptic number.

1253312000103 is a deficient number, since it is larger than the sum of its proper divisors (417770666705).

1253312000103 is an equidigital number, since it uses as much as digits as its factorization.

1253312000103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417770666704.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 1253312000103 its reverse (3010002133521), we get a palindrome (4263314133624).

The spelling of 1253312000103 in words is "one trillion, two hundred fifty-three billion, three hundred twelve million, one hundred three", and thus it is an aban number.