1312140122 has 8 divisors (see below), whose sum is σ = 1969334400. Its totient is φ = 655695324.

The previous prime is 1312140107. The next prime is 1312140143. The reversal of 1312140122 is 2210412131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1312140122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182972 + ... + 190007.

It is an arithmetic number, because the mean of its divisors is an integer number (246166800).

Almost surely, 2^1312140122 is an apocalyptic number.

1312140122 is a deficient number, since it is larger than the sum of its proper divisors (657194278).

1312140122 is a wasteful number, since it uses less digits than its factorization.

1312140122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374740.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1312140122 is about 36223.4747366953. The cubic root of 1312140122 is about 1094.7797064537.

Adding to 1312140122 its reverse (2210412131), we get a palindrome (3522552253).

The spelling of 1312140122 in words is "one billion, three hundred twelve million, one hundred forty thousand, one hundred twenty-two".