143666400212 has 24 divisors (see below), whose sum is σ = 254749488000. Its totient is φ = 70881909696.

The previous prime is 143666400187. The next prime is 143666400233. The reversal of 143666400212 is 212004666341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403088 + ... + 670680.

It is an arithmetic number, because the mean of its divisors is an integer number (10614562000).

Almost surely, 2^143666400212 is an apocalyptic number.

It is an amenable number.

143666400212 is a deficient number, since it is larger than the sum of its proper divisors (111083087788).

143666400212 is a wasteful number, since it uses less digits than its factorization.

143666400212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269375 (or 269373 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 143666400212 in words is "one hundred forty-three billion, six hundred sixty-six million, four hundred thousand, two hundred twelve".