143213121200 has 60 divisors (see below), whose sum is σ = 346129981680. Its totient is φ = 56942196480.

The previous prime is 143213121197. The next prime is 143213121217. The reversal of 143213121200 is 2121312341.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1005155 + ... + 1138754.

It is an arithmetic number, because the mean of its divisors is an integer number (5768833028).

Almost surely, 2^143213121200 is an apocalyptic number.

143213121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143213121200 is an abundant number, since it is smaller than the sum of its proper divisors (202916860480).

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

143213121200 is a wasteful number, since it uses less digits than its factorization.

143213121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144094 (or 2144083 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 143213121200 its reverse (2121312341), we get a palindrome (145334433541).

The spelling of 143213121200 in words is "one hundred forty-three billion, two hundred thirteen million, one hundred twenty-one thousand, two hundred".