12213740457 has 24 divisors (see below), whose sum is σ = 18686420064. Its totient is φ = 7660823424.

The previous prime is 12213740377. The next prime is 12213740467. The reversal of 12213740457 is 75404731221.

12213740457 is a `hidden beast` number, since 122 + 13 + 74 + 0 + 457 = 666.

It is not a de Polignac number, because 12213740457 - 2¹¹ = 12213738409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12213740467) 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 23 ways as a sum of consecutive naturals, for example, 477598 + ... + 502520.

It is an arithmetic number, because the mean of its divisors is an integer number (778600836).

Almost surely, 2^12213740457 is an apocalyptic number.

12213740457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12213740457 is a deficient number, since it is larger than the sum of its proper divisors (6472679607).

12213740457 is a wasteful number, since it uses less digits than its factorization.

12213740457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28149 (or 28146 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 12213740457 in words is "twelve billion, two hundred thirteen million, seven hundred forty thousand, four hundred fifty-seven".