1342040212 has 12 divisors (see below), whose sum is σ = 2352482356. Its totient is φ = 669902400.

The previous prime is 1342040101. The next prime is 1342040213. The reversal of 1342040212 is 2120402431.

It can be written as a sum of positive squares in 2 ways, for example, as 473323536 + 868716676 = 21756^2 + 29474^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1342040212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342040213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276723 + ... + 281530.

Almost surely, 2^1342040212 is an apocalyptic number.

It is an amenable number.

1342040212 is a deficient number, since it is larger than the sum of its proper divisors (1010442144).

1342040212 is a wasteful number, since it uses less digits than its factorization.

1342040212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558858 (or 558856 counting only the distinct ones).

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

The square root of 1342040212 is about 36633.8670085483. The cubic root of 1342040212 is about 1103.0330101658.

Adding to 1342040212 its reverse (2120402431), we get a palindrome (3462442643).

The spelling of 1342040212 in words is "one billion, three hundred forty-two million, forty thousand, two hundred twelve".