1320440121222 has 8 divisors (see below), whose sum is σ = 2640880242456. Its totient is φ = 440146707072.

The previous prime is 1320440121197. The next prime is 1320440121233. The reversal of 1320440121222 is 2221210440231.

It is a sphenic number, since it is the product of 3 distinct primes.

1320440121222 is an admirable number.

It is a super-2 number, since 2×1320440121222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320440121192 and 1320440121201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110036676763 + ... + 110036676774.

It is an arithmetic number, because the mean of its divisors is an integer number (330110030307).

Almost surely, 2^{1320440121222} is an apocalyptic number.

1320440121222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320440121222 is a wasteful number, since it uses less digits than its factorization.

1320440121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220073353542.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1320440121222 its reverse (2221210440231), we get a palindrome (3541650561453).

The spelling of 1320440121222 in words is "one trillion, three hundred twenty billion, four hundred forty million, one hundred twenty-one thousand, two hundred twenty-two".