1231422505001 has 16 divisors (see below), whose sum is σ = 1331221651200. Its totient is φ = 1132349187648.

The previous prime is 1231422504967. The next prime is 1231422505013. The reversal of 1231422505001 is 1005052241321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231422505001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231422505081) 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, 54286580 + ... + 54309258.

It is an arithmetic number, because the mean of its divisors is an integer number (83201353200).

Almost surely, 2^{1231422505001} is an apocalyptic number.

It is an amenable number.

1231422505001 is a deficient number, since it is larger than the sum of its proper divisors (99799146199).

1231422505001 is a wasteful number, since it uses less digits than its factorization.

1231422505001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38488.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 1231422505001 its reverse (1005052241321), we get a palindrome (2236474746322).

The spelling of 1231422505001 in words is "one trillion, two hundred thirty-one billion, four hundred twenty-two million, five hundred five thousand, one".