12145303744 has 56 divisors (see below), whose sum is σ = 29164056480. Its totient is φ = 4898942976.

The previous prime is 12145303741. The next prime is 12145303757. The reversal of 12145303744 is 44730354121.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (12145303741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789739 + ... + 804970.

Almost surely, 2^12145303744 is an apocalyptic number.

12145303744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12145303744 is an abundant number, since it is smaller than the sum of its proper divisors (17018752736).

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

12145303744 is a wasteful number, since it uses less digits than its factorization.

12145303744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594745 (or 1594735 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

Adding to 12145303744 its reverse (44730354121), we get a palindrome (56875657865).

The spelling of 12145303744 in words is "twelve billion, one hundred forty-five million, three hundred three thousand, seven hundred forty-four".