2143242234412 has 12 divisors (see below), whose sum is σ = 3750728410240. Its totient is φ = 1071605545776.

The previous prime is 2143242234407. The next prime is 2143242234439. The reversal of 2143242234412 is 2144322423412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3580383 + ... + 4135894.

Almost surely, 2^{2143242234412} is an apocalyptic number.

It is an amenable number.

2143242234412 is a deficient number, since it is larger than the sum of its proper divisors (1607486175828).

2143242234412 is a wasteful number, since it uses less digits than its factorization.

2143242234412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7785720 (or 7785718 counting only the distinct ones).

The product of its digits is 73728, while the sum is 34.

Adding to 2143242234412 its reverse (2144322423412), we get a palindrome (4287564657824).

The spelling of 2143242234412 in words is "two trillion, one hundred forty-three billion, two hundred forty-two million, two hundred thirty-four thousand, four hundred twelve".