1312002140111 has 32 divisors (see below), whose sum is σ = 1493696827392. Its totient is φ = 1143778164480.

The previous prime is 1312002140011. The next prime is 1312002140147. The reversal of 1312002140111 is 1110412002131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312002140111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312002140111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312002140011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20641766 + ... + 20705228.

It is an arithmetic number, because the mean of its divisors is an integer number (46678025856).

Almost surely, 2^{1312002140111} is an apocalyptic number.

1312002140111 is a deficient number, since it is larger than the sum of its proper divisors (181694687281).

1312002140111 is a wasteful number, since it uses less digits than its factorization.

1312002140111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64743.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1312002140111 its reverse (1110412002131), we get a palindrome (2422414142242).

The spelling of 1312002140111 in words is "one trillion, three hundred twelve billion, two million, one hundred forty thousand, one hundred eleven".