143240001222 has 16 divisors (see below), whose sum is σ = 290755824192. Its totient is φ = 47034030120.

The previous prime is 143240001221. The next prime is 143240001241. The reversal of 143240001222 is 222100042341.

143240001222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×143240001222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143240001221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178158804 + ... + 178159607.

It is an arithmetic number, because the mean of its divisors is an integer number (18172239012).

Almost surely, 2^143240001222 is an apocalyptic number.

143240001222 is an abundant number, since it is smaller than the sum of its proper divisors (147515822970).

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

143240001222 is a wasteful number, since it uses less digits than its factorization.

143240001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356318483.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 143240001222 its reverse (222100042341), we get a palindrome (365340043563).

The spelling of 143240001222 in words is "one hundred forty-three billion, two hundred forty million, one thousand, two hundred twenty-two".