1323213122010 has 256 divisors, whose sum is σ = 3591873331200. Its totient is φ = 309708112896.

The previous prime is 1323213121889. The next prime is 1323213122069. The reversal of 1323213122010 is 102213123231.

It is a super-2 number, since 2×1323213122010² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 395814399 + ... + 395817741.

It is an arithmetic number, because the mean of its divisors is an integer number (14030755200).

Almost surely, 2^{1323213122010} is an apocalyptic number.

1323213122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323213122010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1795936665600).

1323213122010 is an abundant number, since it is smaller than the sum of its proper divisors (2268660209190).

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

1323213122010 is a wasteful number, since it uses less digits than its factorization.

1323213122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3917.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1323213122010 its reverse (102213123231), we get a palindrome (1425426245241).

The spelling of 1323213122010 in words is "one trillion, three hundred twenty-three billion, two hundred thirteen million, one hundred twenty-two thousand, ten".