1312023232211 has 16 divisors (see below), whose sum is σ = 1374396607488. Its totient is φ = 1250095809600.

The previous prime is 1312023232147. The next prime is 1312023232229. The reversal of 1312023232211 is 1122323202131.

It is a cyclic number.

It is not a de Polignac number, because 1312023232211 - 2⁶ = 1312023232147 is a prime.

It is a super-2 number, since 2×1312023232211² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312023232241) 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, 35740376 + ... + 35777066.

It is an arithmetic number, because the mean of its divisors is an integer number (85899787968).

Almost surely, 2^{1312023232211} is an apocalyptic number.

1312023232211 is a deficient number, since it is larger than the sum of its proper divisors (62373375277).

1312023232211 is a wasteful number, since it uses less digits than its factorization.

1312023232211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42722.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1312023232211 its reverse (1122323202131), we get a palindrome (2434346434342).

The spelling of 1312023232211 in words is "one trillion, three hundred twelve billion, twenty-three million, two hundred thirty-two thousand, two hundred eleven".