1312134222 has 64 divisors (see below), whose sum is σ = 3313695744. Its totient is φ = 337497600.

The previous prime is 1312134221. The next prime is 1312134223. The reversal of 1312134222 is 2224312131.

It is an interprime number because it is at equal distance from previous prime (1312134221) and next prime (1312134223).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312134221) 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, 23529 + ... + 56372.

It is an arithmetic number, because the mean of its divisors is an integer number (51776496).

Almost surely, 2^1312134222 is an apocalyptic number.

1312134222 is an abundant number, since it is smaller than the sum of its proper divisors (2001561522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312134222 is a wasteful number, since it uses less digits than its factorization.

1312134222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79953.

The product of its digits is 576, while the sum is 21.

The square root of 1312134222 is about 36223.3932977020. The cubic root of 1312134222 is about 1094.7780655696.

Adding to 1312134222 its reverse (2224312131), we get a palindrome (3536446353).

The spelling of 1312134222 in words is "one billion, three hundred twelve million, one hundred thirty-four thousand, two hundred twenty-two".