12703251061 has 4 divisors (see below), whose sum is σ = 12703548672. Its totient is φ = 12702953452.

The previous prime is 12703251023. The next prime is 12703251101. The reversal of 12703251061 is 16015230721.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12703251061 is a prime.

It is a super-2 number, since 2×12703251061² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12703251361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71335 + ... + 174628.

It is an arithmetic number, because the mean of its divisors is an integer number (3175887168).

Almost surely, 2^12703251061 is an apocalyptic number.

It is an amenable number.

12703251061 is a deficient number, since it is larger than the sum of its proper divisors (297611).

12703251061 is an equidigital number, since it uses as much as digits as its factorization.

12703251061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297610.

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 12703251061 its reverse (16015230721), we get a palindrome (28718481782).

The spelling of 12703251061 in words is "twelve billion, seven hundred three million, two hundred fifty-one thousand, sixty-one".