1325412541221 has 12 divisors (see below), whose sum is σ = 1847392907808. Its totient is φ = 845190604984.

The previous prime is 1325412541139. The next prime is 1325412541247. The reversal of 1325412541221 is 1221452145231.

It is not a de Polignac number, because 1325412541221 - 2¹⁴ = 1325412524837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325412541261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417582705 + ... + 417585878.

It is an arithmetic number, because the mean of its divisors is an integer number (153949408984).

Almost surely, 2^{1325412541221} is an apocalyptic number.

It is an amenable number.

1325412541221 is a deficient number, since it is larger than the sum of its proper divisors (521980366587).

1325412541221 is an equidigital number, since it uses as much as digits as its factorization.

1325412541221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835168632 (or 835168609 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

Adding to 1325412541221 its reverse (1221452145231), we get a palindrome (2546864686452).

It can be divided in two parts, 132541 and 2541221, that added together give a palindrome (2673762).

The spelling of 1325412541221 in words is "one trillion, three hundred twenty-five billion, four hundred twelve million, five hundred forty-one thousand, two hundred twenty-one".