12002355124 has 6 divisors (see below), whose sum is σ = 21004121474. Its totient is φ = 6001177560.

The previous prime is 12002355109. The next prime is 12002355133. The reversal of 12002355124 is 42155320021.

It can be written as a sum of positive squares in only one way, i.e., 7145659024 + 4856696100 = 84532^2 + 69690^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1500294387 + ... + 1500294394.

Almost surely, 2^12002355124 is an apocalyptic number.

It is an amenable number.

12002355124 is a deficient number, since it is larger than the sum of its proper divisors (9001766350).

12002355124 is a wasteful number, since it uses less digits than its factorization.

12002355124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000588785 (or 3000588783 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 12002355124 its reverse (42155320021), we get a palindrome (54157675145).

The spelling of 12002355124 in words is "twelve billion, two million, three hundred fifty-five thousand, one hundred twenty-four".