1222320132001 has 6 divisors (see below), whose sum is σ = 1265922515702. Its totient is φ = 1180171161120.

The previous prime is 1222320131951. The next prime is 1222320132079. The reversal of 1222320132001 is 1002310232221.

It can be written as a sum of positive squares in 3 ways, for example, as 127316944225 + 1095003187776 = 356815^2 + 1046424^2 .

It is not a de Polignac number, because 1222320132001 - 2¹⁹ = 1222319607713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222320132001.

It is not an unprimeable number, because it can be changed into a prime (1222320132091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 726705540 + ... + 726707221.

Almost surely, 2^{1222320132001} is an apocalyptic number.

It is an amenable number.

1222320132001 is a deficient number, since it is larger than the sum of its proper divisors (43602383701).

1222320132001 is an equidigital number, since it uses as much as digits as its factorization.

1222320132001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453412819 (or 1453412790 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1222320132001 its reverse (1002310232221), we get a palindrome (2224630364222).

The spelling of 1222320132001 in words is "one trillion, two hundred twenty-two billion, three hundred twenty million, one hundred thirty-two thousand, one".