1311212201002 has 16 divisors (see below), whose sum is σ = 2145689455392. Its totient is φ = 595986243120.

The previous prime is 1311212200999. The next prime is 1311212201021. The reversal of 1311212201002 is 2001022121131.

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 7 ways as a sum of consecutive naturals, for example, 258933 + ... + 1639960.

It is an arithmetic number, because the mean of its divisors is an integer number (134105590962).

Almost surely, 2^{1311212201002} is an apocalyptic number.

1311212201002 is a deficient number, since it is larger than the sum of its proper divisors (834477254390).

1311212201002 is a wasteful number, since it uses less digits than its factorization.

1311212201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930293.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1311212201002 its reverse (2001022121131), we get a palindrome (3312234322133).

The spelling of 1311212201002 in words is "one trillion, three hundred eleven billion, two hundred twelve million, two hundred one thousand, two".