1012120012 has 12 divisors (see below), whose sum is σ = 1804629456. Its totient is φ = 496511600.

The previous prime is 1012120003. The next prime is 1012120027. The reversal of 1012120012 is 2100212101.

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 3 ways as a sum of consecutive naturals, for example, 2386864 + ... + 2387287.

It is an arithmetic number, because the mean of its divisors is an integer number (150385788).

Almost surely, 2^1012120012 is an apocalyptic number.

It is an amenable number.

1012120012 is a deficient number, since it is larger than the sum of its proper divisors (792509444).

1012120012 is a wasteful number, since it uses less digits than its factorization.

1012120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774208 (or 4774206 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1012120012 is about 31813.8336577031. The cubic root of 1012120012 is about 1004.0237913866.

Adding to 1012120012 its reverse (2100212101), we get a palindrome (3112332113).

The spelling of 1012120012 in words is "one billion, twelve million, one hundred twenty thousand, twelve".