1311023010212 has 12 divisors (see below), whose sum is σ = 2394042018816. Its totient is φ = 627011004840.

The previous prime is 1311023010169. The next prime is 1311023010239. The reversal of 1311023010212 is 2120103201131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7125124964 + ... + 7125125147.

It is an arithmetic number, because the mean of its divisors is an integer number (199503501568).

Almost surely, 2^{1311023010212} is an apocalyptic number.

It is an amenable number.

1311023010212 is a deficient number, since it is larger than the sum of its proper divisors (1083019008604).

1311023010212 is a wasteful number, since it uses less digits than its factorization.

1311023010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14250250138 (or 14250250136 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1311023010212 its reverse (2120103201131), we get a palindrome (3431126211343).

The spelling of 1311023010212 in words is "one trillion, three hundred eleven billion, twenty-three million, ten thousand, two hundred twelve".