1242513040001 has 16 divisors (see below), whose sum is σ = 1375437293568. Its totient is φ = 1116432345600.

The previous prime is 1242513039979. The next prime is 1242513040003. The reversal of 1242513040001 is 1000403152421.

It is a cyclic number.

It is not a de Polignac number, because 1242513040001 - 2²⁶ = 1242445931137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242513040003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2845985 + ... + 3253406.

It is an arithmetic number, because the mean of its divisors is an integer number (85964830848).

Almost surely, 2^{1242513040001} is an apocalyptic number.

It is an amenable number.

1242513040001 is a deficient number, since it is larger than the sum of its proper divisors (132924253567).

1242513040001 is a wasteful number, since it uses less digits than its factorization.

1242513040001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6099952.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 1242513040001 its reverse (1000403152421), we get a palindrome (2242916192422).

The spelling of 1242513040001 in words is "one trillion, two hundred forty-two billion, five hundred thirteen million, forty thousand, one".