1332312312221 has 16 divisors (see below), whose sum is σ = 1465327646208. Its totient is φ = 1201309930800.

The previous prime is 1332312312181. The next prime is 1332312312251. The reversal of 1332312312221 is 1222132132331.

It is a cyclic number.

It is not a de Polignac number, because 1332312312221 - 2¹⁴ = 1332312295837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332312312251) 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, 123680 + ... + 1637046.

It is an arithmetic number, because the mean of its divisors is an integer number (91582977888).

Almost surely, 2^{1332312312221} is an apocalyptic number.

1332312312221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1332312312221 is a deficient number, since it is larger than the sum of its proper divisors (133015333987).

1332312312221 is a wasteful number, since it uses less digits than its factorization.

1332312312221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514032.

The product of its digits is 2592, while the sum is 26.

Adding to 1332312312221 its reverse (1222132132331), we get a palindrome (2554444444552).

The spelling of 1332312312221 in words is "one trillion, three hundred thirty-two billion, three hundred twelve million, three hundred twelve thousand, two hundred twenty-one".