1231420341201 has 16 divisors (see below), whose sum is σ = 1660435951680. Its totient is φ = 811676856320.

The previous prime is 1231420341161. The next prime is 1231420341209. The reversal of 1231420341201 is 1021430241321.

It is a cyclic number.

It is not a de Polignac number, because 1231420341201 - 2²⁵ = 1231386786769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1231420341209) 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, 4971586 + ... + 5213396.

It is an arithmetic number, because the mean of its divisors is an integer number (103777246980).

Almost surely, 2^{1231420341201} is an apocalyptic number.

It is an amenable number.

1231420341201 is a deficient number, since it is larger than the sum of its proper divisors (429015610479).

1231420341201 is a wasteful number, since it uses less digits than its factorization.

1231420341201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260976.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1231420341201 its reverse (1021430241321), we get a palindrome (2252850582522).

The spelling of 1231420341201 in words is "one trillion, two hundred thirty-one billion, four hundred twenty million, three hundred forty-one thousand, two hundred one".