143440400223212 has 6 divisors (see below), whose sum is σ = 251020700390628. Its totient is φ = 71720200111604.

The previous prime is 143440400223203. The next prime is 143440400223247. The reversal of 143440400223212 is 212322004044341.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17930050027898 + ... + 17930050027905.

It is an arithmetic number, because the mean of its divisors is an integer number (41836783398438).

Almost surely, 2^{143440400223212} is an apocalyptic number.

It is an amenable number.

143440400223212 is a deficient number, since it is larger than the sum of its proper divisors (107580300167416).

143440400223212 is a wasteful number, since it uses less digits than its factorization.

143440400223212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35860100055807 (or 35860100055805 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 143440400223212 its reverse (212322004044341), we get a palindrome (355762404267553).

The spelling of 143440400223212 in words is "one hundred forty-three trillion, four hundred forty billion, four hundred million, two hundred twenty-three thousand, two hundred twelve".