1201041211025 has 12 divisors (see below), whose sum is σ = 1517390935452. Its totient is φ = 942704043840.

The previous prime is 1201041211003. The next prime is 1201041211033. The reversal of 1201041211025 is 5201121401021.

It can be written as a sum of positive squares in 6 ways, for example, as 103441354129 + 1097599856896 = 321623^2 + 1047664^2 .

It is not a de Polignac number, because 1201041211025 - 2¹⁰ = 1201041210001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201041210988 and 1201041211006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453221774 + ... + 453224423.

It is an arithmetic number, because the mean of its divisors is an integer number (126449244621).

Almost surely, 2^{1201041211025} is an apocalyptic number.

It is an amenable number.

1201041211025 is a deficient number, since it is larger than the sum of its proper divisors (316349724427).

1201041211025 is an equidigital number, since it uses as much as digits as its factorization.

1201041211025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906446260 (or 906446255 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 1201041211025 its reverse (5201121401021), we get a palindrome (6402162612046).

The spelling of 1201041211025 in words is "one trillion, two hundred one billion, forty-one million, two hundred eleven thousand, twenty-five".