1320122221210 has 32 divisors (see below), whose sum is σ = 2574148242960. Its totient is φ = 487429735104.

The previous prime is 1320122221183. The next prime is 1320122221247. The reversal of 1320122221210 is 121222210231.

It can be written as a sum of positive squares in 8 ways, for example, as 322223116609 + 997899104601 = 567647^2 + 998949^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30021777 + ... + 30065716.

Almost surely, 2^{1320122221210} is an apocalyptic number.

1320122221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320122221210 is a deficient number, since it is larger than the sum of its proper divisors (1254026021750).

1320122221210 is an equidigital number, since it uses as much as digits as its factorization.

1320122221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60087539 (or 60087513 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1320122221210 its reverse (121222210231), we get a palindrome (1441344431441).

The spelling of 1320122221210 in words is "one trillion, three hundred twenty billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred ten".