1240341212 has 24 divisors (see below), whose sum is σ = 2369954160. Its totient is φ = 563308160.

The previous prime is 1240341211. The next prime is 1240341229. The reversal of 1240341212 is 2121430421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240341211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42608 + ... + 65544.

It is an arithmetic number, because the mean of its divisors is an integer number (98748090).

Almost surely, 2^1240341212 is an apocalyptic number.

It is an amenable number.

1240341212 is a deficient number, since it is larger than the sum of its proper divisors (1129612948).

1240341212 is a wasteful number, since it uses less digits than its factorization.

1240341212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24181 (or 24179 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1240341212 is about 35218.4782749056. The cubic root of 1240341212 is about 1074.4356040755.

Adding to 1240341212 its reverse (2121430421), we get a palindrome (3361771633).

The spelling of 1240341212 in words is "one billion, two hundred forty million, three hundred forty-one thousand, two hundred twelve".