4012120529212 has 24 divisors (see below), whose sum is σ = 7257267223920. Its totient is φ = 1939730396160.

The previous prime is 4012120529189. The next prime is 4012120529233. The reversal of 4012120529212 is 2129250212104.

It is a super-2 number, since 2×4012120529212² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 139334053 + ... + 139362844.

It is an arithmetic number, because the mean of its divisors is an integer number (302386134330).

Almost surely, 2^{4012120529212} is an apocalyptic number.

It is an amenable number.

4012120529212 is a deficient number, since it is larger than the sum of its proper divisors (3245146694708).

4012120529212 is a wasteful number, since it uses less digits than its factorization.

4012120529212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278697021 (or 278697019 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 4012120529212 in words is "four trillion, twelve billion, one hundred twenty million, five hundred twenty-nine thousand, two hundred twelve".