1312000001010 has 128 divisors (see below), whose sum is σ = 3518006722560. Its totient is φ = 347938031808.

The previous prime is 1312000000879. The next prime is 1312000001017. The reversal of 1312000001010 is 101000002131.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1312000000983 and 1312000001001.

It is not an unprimeable number, because it can be changed into a prime (1312000001017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35864989 + ... + 35901551.

It is an arithmetic number, because the mean of its divisors is an integer number (27484427520).

Almost surely, 2^{1312000001010} is an apocalyptic number.

1312000001010 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 1312000001010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1759003361280).

1312000001010 is an abundant number, since it is smaller than the sum of its proper divisors (2206006721550).

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

1312000001010 is a wasteful number, since it uses less digits than its factorization.

1312000001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37309 (or 37303 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 1312000001010 its reverse (101000002131), we get a palindrome (1413000003141).

The spelling of 1312000001010 in words is "one trillion, three hundred twelve billion, one thousand, ten".