1242304232564 has 12 divisors (see below), whose sum is σ = 2174107910688. Its totient is φ = 621130543800.

The previous prime is 1242304232549. The next prime is 1242304232591. The reversal of 1242304232564 is 4652324032421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5263202 + ... + 5494169.

It is an arithmetic number, because the mean of its divisors is an integer number (181175659224).

Almost surely, 2^{1242304232564} is an apocalyptic number.

It is an amenable number.

1242304232564 is a deficient number, since it is larger than the sum of its proper divisors (931803678124).

1242304232564 is a wasteful number, since it uses less digits than its factorization.

1242304232564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10786246 (or 10786244 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 1242304232564 its reverse (4652324032421), we get a palindrome (5894628264985).

The spelling of 1242304232564 in words is "one trillion, two hundred forty-two billion, three hundred four million, two hundred thirty-two thousand, five hundred sixty-four".