1312002122310 has 192 divisors, whose sum is σ = 3961994347584. Its totient is φ = 297697075200.

The previous prime is 1312002122281. The next prime is 1312002122357. The reversal of 1312002122310 is 132212002131.

1312002122310 is a `hidden beast` number, since 1 + 31 + 200 + 2 + 122 + 310 = 666.

It is a super-2 number, since 2×1312002122310² (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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2830882 + ... + 3261578.

It is an arithmetic number, because the mean of its divisors is an integer number (20635387227).

Almost surely, 2^{1312002122310} is an apocalyptic number.

1312002122310 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 1312002122310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1980997173792).

1312002122310 is an abundant number, since it is smaller than the sum of its proper divisors (2649992225274).

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

1312002122310 is a wasteful number, since it uses less digits than its factorization.

1312002122310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430919 (or 430916 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1312002122310 its reverse (132212002131), we get a palindrome (1444214124441).

The spelling of 1312002122310 in words is "one trillion, three hundred twelve billion, two million, one hundred twenty-two thousand, three hundred ten".