1313012123211 has 16 divisors (see below), whose sum is σ = 1808795013120. Its totient is φ = 846336528960.

The previous prime is 1313012123197. The next prime is 1313012123279. The reversal of 1313012123211 is 1123212103131.

It is not a de Polignac number, because 1313012123211 - 2⁶ = 1313012123147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313012133211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6297426 + ... + 6502583.

It is an arithmetic number, because the mean of its divisors is an integer number (113049688320).

Almost surely, 2^{1313012123211} is an apocalyptic number.

1313012123211 is a deficient number, since it is larger than the sum of its proper divisors (495782889909).

1313012123211 is a wasteful number, since it uses less digits than its factorization.

1313012123211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12801146.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1313012123211 its reverse (1123212103131), we get a palindrome (2436224226342).

The spelling of 1313012123211 in words is "one trillion, three hundred thirteen billion, twelve million, one hundred twenty-three thousand, two hundred eleven".