12454757620 has 12 divisors (see below), whose sum is σ = 26154991044. Its totient is φ = 4981903040.

The previous prime is 12454757593. The next prime is 12454757641. The reversal of 12454757620 is 2675745421.

12454757620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5808268944 + 6646488676 = 76212^2 + 81526^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311368921 + ... + 311368960.

It is an arithmetic number, because the mean of its divisors is an integer number (2179582587).

Almost surely, 2^12454757620 is an apocalyptic number.

12454757620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12454757620 is an abundant number, since it is smaller than the sum of its proper divisors (13700233424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12454757620 is a wasteful number, since it uses less digits than its factorization.

12454757620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622737890 (or 622737888 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 12454757620 in words is "twelve billion, four hundred fifty-four million, seven hundred fifty-seven thousand, six hundred twenty".