12052153530 has 48 divisors (see below), whose sum is σ = 32984845920. Its totient is φ = 3044754144.

The previous prime is 12052153499. The next prime is 12052153541. The reversal of 12052153530 is 3535125021.

It is a happy number.

12052153530 is a `hidden beast` number, since 120 + 5 + 2 + 1 + 5 + 3 + 530 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12052153494 and 12052153503.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3522312 + ... + 3525731.

It is an arithmetic number, because the mean of its divisors is an integer number (687184290).

Almost surely, 2^12052153530 is an apocalyptic number.

12052153530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12052153530 is an abundant number, since it is smaller than the sum of its proper divisors (20932692390).

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

12052153530 is a wasteful number, since it uses less digits than its factorization.

12052153530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7048075 (or 7048072 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 12052153530 its reverse (3535125021), we get a palindrome (15587278551).

The spelling of 12052153530 in words is "twelve billion, fifty-two million, one hundred fifty-three thousand, five hundred thirty".