7121122012 has 12 divisors (see below), whose sum is σ = 12466627096. Its totient is φ = 3559228560.

The previous prime is 7121121979. The next prime is 7121122031. The reversal of 7121122012 is 2102211217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321039 + ... + 342502.

Almost surely, 2^7121122012 is an apocalyptic number.

It is an amenable number.

7121122012 is a deficient number, since it is larger than the sum of its proper divisors (5345505084).

7121122012 is a wasteful number, since it uses less digits than its factorization.

7121122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666228 (or 666226 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 7121122012 is about 84386.7407357341. The cubic root of 7121122012 is about 1923.9013925458.

Adding to 7121122012 its reverse (2102211217), we get a palindrome (9223333229).

The spelling of 7121122012 in words is "seven billion, one hundred twenty-one million, one hundred twenty-two thousand, twelve".