1201332444401 has 4 divisors (see below), whose sum is σ = 1202415702900. Its totient is φ = 1200249185904.

The previous prime is 1201332444359. The next prime is 1201332444419. The reversal of 1201332444401 is 1044442331021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38083912801 + 1163248531600 = 195151^2 + 1078540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201332444401 - 2²⁶ = 1201265335537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201332444421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541627586 + ... + 541629803.

It is an arithmetic number, because the mean of its divisors is an integer number (300603925725).

Almost surely, 2^{1201332444401} is an apocalyptic number.

It is an amenable number.

1201332444401 is a deficient number, since it is larger than the sum of its proper divisors (1083258499).

1201332444401 is a wasteful number, since it uses less digits than its factorization.

1201332444401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083258498.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1201332444401 its reverse (1044442331021), we get a palindrome (2245774775422).

The spelling of 1201332444401 in words is "one trillion, two hundred one billion, three hundred thirty-two million, four hundred forty-four thousand, four hundred one".