1312102210220 has 48 divisors (see below), whose sum is σ = 2803760785728. Its totient is φ = 515682558720.

The previous prime is 1312102210213. The next prime is 1312102210231. The reversal of 1312102210220 is 220122012131.

It is a super-2 number, since 2×1312102210220² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1160759 + ... + 1992878.

It is an arithmetic number, because the mean of its divisors is an integer number (58411683036).

Almost surely, 2^{1312102210220} is an apocalyptic number.

1312102210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312102210220 is an abundant number, since it is smaller than the sum of its proper divisors (1491658575508).

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

1312102210220 is a wasteful number, since it uses less digits than its factorization.

1312102210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154010 (or 3154008 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1312102210220 its reverse (220122012131), we get a palindrome (1532224222351).

The spelling of 1312102210220 in words is "one trillion, three hundred twelve billion, one hundred two million, two hundred ten thousand, two hundred twenty".