3012120142 has 4 divisors (see below), whose sum is σ = 4518180216. Its totient is φ = 1506060070.

The previous prime is 3012120121. The next prime is 3012120143. The reversal of 3012120142 is 2410212103.

3012120142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2410212103 = 13 ⋅185400931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012120143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 753030034 + ... + 753030037.

It is an arithmetic number, because the mean of its divisors is an integer number (1129545054).

Almost surely, 2^3012120142 is an apocalyptic number.

3012120142 is a deficient number, since it is larger than the sum of its proper divisors (1506060074).

3012120142 is a wasteful number, since it uses less digits than its factorization.

3012120142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506060073.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3012120142 is about 54882.7854796019. The cubic root of 3012120142 is about 1444.1892127422.

Adding to 3012120142 its reverse (2410212103), we get a palindrome (5422332245).

The spelling of 3012120142 in words is "three billion, twelve million, one hundred twenty thousand, one hundred forty-two".