1312210321110 has 48 divisors (see below), whose sum is σ = 3674188902384. Its totient is φ = 323005617216.

The previous prime is 1312210321087. The next prime is 1312210321141. The reversal of 1312210321110 is 111230122131.

1312210321110 is a `hidden beast` number, since 1 + 312 + 21 + 0 + 321 + 1 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 560772472 + ... + 560774811.

It is an arithmetic number, because the mean of its divisors is an integer number (76545602133).

Almost surely, 2^{1312210321110} is an apocalyptic number.

1312210321110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312210321110 is an abundant number, since it is smaller than the sum of its proper divisors (2361978581274).

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

1312210321110 is a wasteful number, since it uses less digits than its factorization.

1312210321110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121547309 (or 1121547306 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1312210321110 its reverse (111230122131), we get a palindrome (1423440443241).

The spelling of 1312210321110 in words is "one trillion, three hundred twelve billion, two hundred ten million, three hundred twenty-one thousand, one hundred ten".