1213323312310 has 8 divisors (see below), whose sum is σ = 2183981962176. Its totient is φ = 485329324920.

The previous prime is 1213323312307. The next prime is 1213323312329. The reversal of 1213323312310 is 132133233121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1213323312310² (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 3 ways as a sum of consecutive naturals, for example, 60666165606 + ... + 60666165625.

It is an arithmetic number, because the mean of its divisors is an integer number (272997745272).

Almost surely, 2^{1213323312310} is an apocalyptic number.

1213323312310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213323312310 is a deficient number, since it is larger than the sum of its proper divisors (970658649866).

1213323312310 is a wasteful number, since it uses less digits than its factorization.

1213323312310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121332331238.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1213323312310 its reverse (132133233121), we get a palindrome (1345456545431).

The spelling of 1213323312310 in words is "one trillion, two hundred thirteen billion, three hundred twenty-three million, three hundred twelve thousand, three hundred ten".