1312122204460 has 12 divisors (see below), whose sum is σ = 2755456629408. Its totient is φ = 524848881776.

The previous prime is 1312122204457. The next prime is 1312122204509. The reversal of 1312122204460 is 644022212131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32803055092 + ... + 32803055131.

It is an arithmetic number, because the mean of its divisors is an integer number (229621385784).

Almost surely, 2^{1312122204460} is an apocalyptic number.

1312122204460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312122204460 is an abundant number, since it is smaller than the sum of its proper divisors (1443334424948).

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

1312122204460 is a wasteful number, since it uses less digits than its factorization.

1312122204460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65606110232 (or 65606110230 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1312122204460 its reverse (644022212131), we get a palindrome (1956144416591).

The spelling of 1312122204460 in words is "one trillion, three hundred twelve billion, one hundred twenty-two million, two hundred four thousand, four hundred sixty".