1320221012234 has 16 divisors (see below), whose sum is σ = 2060731268640. Its totient is φ = 633830976240.

The previous prime is 1320221012219. The next prime is 1320221012261. The reversal of 1320221012234 is 4322101220231.

It is a super-2 number, since 2×1320221012234² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130091597 + ... + 130101744.

It is an arithmetic number, because the mean of its divisors is an integer number (128795704290).

Almost surely, 2^{1320221012234} is an apocalyptic number.

1320221012234 is a deficient number, since it is larger than the sum of its proper divisors (740510256406).

1320221012234 is a wasteful number, since it uses less digits than its factorization.

1320221012234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260193445.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1320221012234 its reverse (4322101220231), we get a palindrome (5642322232465).

The spelling of 1320221012234 in words is "one trillion, three hundred twenty billion, two hundred twenty-one million, twelve thousand, two hundred thirty-four".