1310212111320 has 144 divisors (see below), whose sum is σ = 4953404018160. Its totient is φ = 299477049984.

The previous prime is 1310212111303. The next prime is 1310212111367. The reversal of 1310212111320 is 231112120131.

1310212111320 is a `hidden beast` number, since 1 + 310 + 2 + 1 + 21 + 11 + 320 = 666.

It is a super-2 number, since 2×1310212111320² (a number of 25 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1310212111293 and 1310212111302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37119892 + ... + 37155171.

It is an arithmetic number, because the mean of its divisors is an integer number (34398639015).

Almost surely, 2^{1310212111320} is an apocalyptic number.

1310212111320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310212111320 is an abundant number, since it is smaller than the sum of its proper divisors (3643191906840).

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

1310212111320 is a wasteful number, since it uses less digits than its factorization.

1310212111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74275094 (or 74275080 counting only the distinct ones).

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

Adding to 1310212111320 its reverse (231112120131), we get a palindrome (1541324231451).

The spelling of 1310212111320 in words is "one trillion, three hundred ten billion, two hundred twelve million, one hundred eleven thousand, three hundred twenty".