1312022157167 has 8 divisors (see below), whose sum is σ = 1390406902272. Its totient is φ = 1233771520000.

The previous prime is 1312022157163. The next prime is 1312022157197. The reversal of 1312022157167 is 7617512202131.

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

It is a cyclic number.

It is not a de Polignac number, because 1312022157167 - 2² = 1312022157163 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 1312022157167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312022157161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33506834 + ... + 33545967.

It is an arithmetic number, because the mean of its divisors is an integer number (173800862784).

Almost surely, 2^{1312022157167} is an apocalyptic number.

1312022157167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1312022157167 is a deficient number, since it is larger than the sum of its proper divisors (78384745105).

1312022157167 is a wasteful number, since it uses less digits than its factorization.

1312022157167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67053969.

The product of its (nonzero) digits is 35280, while the sum is 38.

Adding to 1312022157167 its reverse (7617512202131), we get a palindrome (8929534359298).

The spelling of 1312022157167 in words is "one trillion, three hundred twelve billion, twenty-two million, one hundred fifty-seven thousand, one hundred sixty-seven".