1530121012 has 24 divisors (see below), whose sum is σ = 3061373504. Its totient is φ = 655523712.

The previous prime is 1530121001. The next prime is 1530121027. The reversal of 1530121012 is 2101210351.

It is a super-2 number, since 2×1530121012² = 4682540622727808288, which 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81583 + ... + 98569.

Almost surely, 2^1530121012 is an apocalyptic number.

It is an amenable number.

1530121012 is an abundant number, since it is smaller than the sum of its proper divisors (1531252492).

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

1530121012 is a wasteful number, since it uses less digits than its factorization.

1530121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20215 (or 20213 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1530121012 is about 39116.7612667511. The cubic root of 1530121012 is about 1152.3257311362.

Adding to 1530121012 its reverse (2101210351), we get a palindrome (3631331363).

The spelling of 1530121012 in words is "one billion, five hundred thirty million, one hundred twenty-one thousand, twelve".