1530042012 has 36 divisors (see below), whose sum is σ = 3871487256. Its totient is φ = 509502240.

The previous prime is 1530041963. The next prime is 1530042023. The reversal of 1530042012 is 2102400351.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15943 + ... + 57569.

Almost surely, 2^1530042012 is an apocalyptic number.

1530042012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1530042012 is an abundant number, since it is smaller than the sum of its proper divisors (2341445244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1530042012 is a wasteful number, since it uses less digits than its factorization.

1530042012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42658 (or 42653 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1530042012 is about 39115.7514564146. The cubic root of 1530042012 is about 1152.3058993061.

Adding to 1530042012 its reverse (2102400351), we get a palindrome (3632442363).

The spelling of 1530042012 in words is "one billion, five hundred thirty million, forty-two thousand, twelve".