2142340012 has 12 divisors (see below), whose sum is σ = 3796552480. Its totient is φ = 1057610736.

The previous prime is 2142340001. The next prime is 2142340019. The reversal of 2142340012 is 2100432412.

It is not an unprimeable number, because it can be changed into a prime (2142340019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3389463 + ... + 3390094.

Almost surely, 2^2142340012 is an apocalyptic number.

It is an amenable number.

2142340012 is a deficient number, since it is larger than the sum of its proper divisors (1654212468).

2142340012 is a wasteful number, since it uses less digits than its factorization.

2142340012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6779640 (or 6779638 counting only the distinct ones).

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

The square root of 2142340012 is about 46285.4189999399. The cubic root of 2142340012 is about 1289.1282719010.

Adding to 2142340012 its reverse (2100432412), we get a palindrome (4242772424).

The spelling of 2142340012 in words is "two billion, one hundred forty-two million, three hundred forty thousand, twelve".