12730266735 has 32 divisors (see below), whose sum is σ = 21224687040. Its totient is φ = 6507475968.

The previous prime is 12730266719. The next prime is 12730266763. The reversal of 12730266735 is 53766203721.

It is not a de Polignac number, because 12730266735 - 2⁴ = 12730266719 is a prime.

It is a super-2 number, since 2×12730266735² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47212 + ... + 166401.

It is an arithmetic number, because the mean of its divisors is an integer number (663271470).

Almost surely, 2^12730266735 is an apocalyptic number.

12730266735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12730266735 is a deficient number, since it is larger than the sum of its proper divisors (8494420305).

12730266735 is a wasteful number, since it uses less digits than its factorization.

12730266735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213787.

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 12730266735 in words is "twelve billion, seven hundred thirty million, two hundred sixty-six thousand, seven hundred thirty-five".