2143420012 has 6 divisors (see below), whose sum is σ = 3750985028. Its totient is φ = 1071710004.

The previous prime is 2143419989. The next prime is 2143420031. The reversal of 2143420012 is 2100243412.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267927498 + ... + 267927505.

Almost surely, 2^2143420012 is an apocalyptic number.

It is an amenable number.

2143420012 is a deficient number, since it is larger than the sum of its proper divisors (1607565016).

2143420012 is a wasteful number, since it uses less digits than its factorization.

2143420012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535855007 (or 535855005 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2143420012 is about 46297.0842710424. The cubic root of 2143420012 is about 1289.3448613367.

Adding to 2143420012 its reverse (2100243412), we get a palindrome (4243663424).

The spelling of 2143420012 in words is "two billion, one hundred forty-three million, four hundred twenty thousand, twelve".