143211334512 has 80 divisors (see below), whose sum is σ = 370837376000. Its totient is φ = 47624391936.

The previous prime is 143211334501. The next prime is 143211334523. The reversal of 143211334512 is 215433112341.

It is an interprime number because it is at equal distance from previous prime (143211334501) and next prime (143211334523).

It is a self number, because there is not a number n which added to its sum of digits gives 143211334512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69756078 + ... + 69758130.

It is an arithmetic number, because the mean of its divisors is an integer number (4635467200).

Almost surely, 2^143211334512 is an apocalyptic number.

143211334512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143211334512 is an abundant number, since it is smaller than the sum of its proper divisors (227626041488).

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

143211334512 is a wasteful number, since it uses less digits than its factorization.

143211334512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790 (or 4784 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

Adding to 143211334512 its reverse (215433112341), we get a palindrome (358644446853).

The spelling of 143211334512 in words is "one hundred forty-three billion, two hundred eleven million, three hundred thirty-four thousand, five hundred twelve".