2143210342422 has 32 divisors (see below), whose sum is σ = 4579365398400. Its totient is φ = 666701722368.

The previous prime is 2143210342411. The next prime is 2143210342423. The reversal of 2143210342422 is 2242430123412.

It is a self number, because there is not a number n which added to its sum of digits gives 2143210342422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143210342423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140291547 + ... + 140306822.

It is an arithmetic number, because the mean of its divisors is an integer number (143105168700).

Almost surely, 2^{2143210342422} is an apocalyptic number.

2143210342422 is an abundant number, since it is smaller than the sum of its proper divisors (2436155055978).

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

2143210342422 is a wasteful number, since it uses less digits than its factorization.

2143210342422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280598460.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 2143210342422 its reverse (2242430123412), we get a palindrome (4385640465834).

The spelling of 2143210342422 in words is "two trillion, one hundred forty-three billion, two hundred ten million, three hundred forty-two thousand, four hundred twenty-two".