143312122312 has 32 divisors (see below), whose sum is σ = 269986622400. Its totient is φ = 71315930304.

The previous prime is 143312122267. The next prime is 143312122319. The reversal of 143312122312 is 213221213341.

It is a super-3 number, since 3×143312122312³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (143312122319) 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, 5304823 + ... + 5331769.

It is an arithmetic number, because the mean of its divisors is an integer number (8437081950).

Almost surely, 2^143312122312 is an apocalyptic number.

It is an amenable number.

143312122312 is a deficient number, since it is larger than the sum of its proper divisors (126674500088).

143312122312 is a wasteful number, since it uses less digits than its factorization.

143312122312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30085 (or 30081 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 143312122312 its reverse (213221213341), we get a palindrome (356533335653).

The spelling of 143312122312 in words is "one hundred forty-three billion, three hundred twelve million, one hundred twenty-two thousand, three hundred twelve".