2143224223412 has 6 divisors (see below), whose sum is σ = 3750642390978. Its totient is φ = 1071612111704.

The previous prime is 2143224223409. The next prime is 2143224223421.

2143224223412 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 1644231740176 + 498992483236 = 1282276^2 + 706394^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267903027923 + ... + 267903027930.

It is an arithmetic number, because the mean of its divisors is an integer number (625107065163).

Almost surely, 2^{2143224223412} is an apocalyptic number.

It is an amenable number.

2143224223412 is a deficient number, since it is larger than the sum of its proper divisors (1607418167566).

2143224223412 is a wasteful number, since it uses less digits than its factorization.

2143224223412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535806055857 (or 535806055855 counting only the distinct ones).

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

The spelling of 2143224223412 in words is "two trillion, one hundred forty-three billion, two hundred twenty-four million, two hundred twenty-three thousand, four hundred twelve".