12703154505 has 16 divisors (see below), whose sum is σ = 20326663104. Its totient is φ = 6774477120.

The previous prime is 12703154441. The next prime is 12703154543. The reversal of 12703154505 is 50545130721.

It is not a de Polignac number, because 12703154505 - 2⁶ = 12703154441 is a prime.

It is a super-2 number, since 2×12703154505² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225822 + ... + 276408.

It is an arithmetic number, because the mean of its divisors is an integer number (1270416444).

Almost surely, 2^12703154505 is an apocalyptic number.

12703154505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12703154505 is a deficient number, since it is larger than the sum of its proper divisors (7623508599).

12703154505 is a wasteful number, since it uses less digits than its factorization.

12703154505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67336.

The product of its (nonzero) digits is 21000, while the sum is 33.

The spelling of 12703154505 in words is "twelve billion, seven hundred three million, one hundred fifty-four thousand, five hundred five".