12454665020 has 24 divisors (see below), whose sum is σ = 29891196384. Its totient is φ = 4270170816.

The previous prime is 12454664969. The next prime is 12454665029. The reversal of 12454665020 is 2056645421.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12454665029) 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 7 ways as a sum of consecutive naturals, for example, 44480807 + ... + 44481086.

It is an arithmetic number, because the mean of its divisors is an integer number (1245466516).

Almost surely, 2^12454665020 is an apocalyptic number.

12454665020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12454665020 is an abundant number, since it is smaller than the sum of its proper divisors (17436531364).

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

12454665020 is a wasteful number, since it uses less digits than its factorization.

12454665020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88961909 (or 88961907 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 12454665020 in words is "twelve billion, four hundred fifty-four million, six hundred sixty-five thousand, twenty".