7840011212 has 24 divisors (see below), whose sum is σ = 14970808272. Its totient is φ = 3562804800.

The previous prime is 7840011191. The next prime is 7840011239. The reversal of 7840011212 is 2121100487.

It is a super-2 number, since 2×7840011212² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 193262 + ... + 230282.

It is an arithmetic number, because the mean of its divisors is an integer number (623783678).

Almost surely, 2^7840011212 is an apocalyptic number.

It is an amenable number.

7840011212 is a deficient number, since it is larger than the sum of its proper divisors (7130797060).

7840011212 is a wasteful number, since it uses less digits than its factorization.

7840011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41849 (or 41847 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 7840011212 is about 88543.8377980083. The cubic root of 7840011212 is about 1986.5777237606.

Adding to 7840011212 its reverse (2121100487), we get a palindrome (9961111699).

The spelling of 7840011212 in words is "seven billion, eight hundred forty million, eleven thousand, two hundred twelve".