1312002212001 has 16 divisors (see below), whose sum is σ = 1919445909696. Its totient is φ = 792152277696.

The previous prime is 1312002211931. The next prime is 1312002212047. The reversal of 1312002212001 is 1002122002131.

It is not a de Polignac number, because 1312002212001 - 2¹¹ = 1312002209953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312002212501) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 317366635 + ... + 317370768.

It is an arithmetic number, because the mean of its divisors is an integer number (119965369356).

Almost surely, 2^{1312002212001} is an apocalyptic number.

It is an amenable number.

1312002212001 is a deficient number, since it is larger than the sum of its proper divisors (607443697695).

1312002212001 is a wasteful number, since it uses less digits than its factorization.

1312002212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634737472.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1312002212001 its reverse (1002122002131), we get a palindrome (2314124214132).

The spelling of 1312002212001 in words is "one trillion, three hundred twelve billion, two million, two hundred twelve thousand, one".