1213322312310 has 32 divisors (see below), whose sum is σ = 2959710825312. Its totient is φ = 318248474880.

The previous prime is 1213322312303. The next prime is 1213322312327. The reversal of 1213322312310 is 132132233121.

It is a super-2 number, since 2×1213322312310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 331506999 + ... + 331510658.

It is an arithmetic number, because the mean of its divisors is an integer number (92490963291).

Almost surely, 2^{1213322312310} is an apocalyptic number.

1213322312310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213322312310 is an abundant number, since it is smaller than the sum of its proper divisors (1746388513002).

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

1213322312310 is a wasteful number, since it uses less digits than its factorization.

1213322312310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663017728.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1213322312310 its reverse (132132233121), we get a palindrome (1345454545431).

The spelling of 1213322312310 in words is "one trillion, two hundred thirteen billion, three hundred twenty-two million, three hundred twelve thousand, three hundred ten".