1321031412210 has 32 divisors (see below), whose sum is σ = 3356973942912. Its totient is φ = 331552981760.

The previous prime is 1321031412187. The next prime is 1321031412277. The reversal of 1321031412210 is 122141301231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1295128326 + ... + 1295129345.

It is an arithmetic number, because the mean of its divisors is an integer number (104905435716).

Almost surely, 2^{1321031412210} is an apocalyptic number.

1321031412210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321031412210 is an abundant number, since it is smaller than the sum of its proper divisors (2035942530702).

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

1321031412210 is a wasteful number, since it uses less digits than its factorization.

1321031412210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590257698.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1321031412210 its reverse (122141301231), we get a palindrome (1443172713441).

The spelling of 1321031412210 in words is "one trillion, three hundred twenty-one billion, thirty-one million, four hundred twelve thousand, two hundred ten".