143022020312 has 16 divisors (see below), whose sum is σ = 270769845840. Its totient is φ = 70816728096.

The previous prime is 143022020243. The next prime is 143022020381. The reversal of 143022020312 is 213020220341.

It is an interprime number because it is at equal distance from previous prime (143022020243) and next prime (143022020381).

It is a super-2 number, since 2×143022020312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86784383 + ... + 86786030.

It is an arithmetic number, because the mean of its divisors is an integer number (16923115365).

Almost surely, 2^143022020312 is an apocalyptic number.

It is an amenable number.

143022020312 is a deficient number, since it is larger than the sum of its proper divisors (127747825528).

143022020312 is a wasteful number, since it uses less digits than its factorization.

143022020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173570522 (or 173570518 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 143022020312 its reverse (213020220341), we get a palindrome (356042240653).

The spelling of 143022020312 in words is "one hundred forty-three billion, twenty-two million, twenty thousand, three hundred twelve".