2153532012 has 12 divisors (see below), whose sum is σ = 5024908056. Its totient is φ = 717844000.

The previous prime is 2153531959. The next prime is 2153532041. The reversal of 2153532012 is 2102353512.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89730489 + ... + 89730512.

It is an arithmetic number, because the mean of its divisors is an integer number (418742338).

Almost surely, 2^2153532012 is an apocalyptic number.

It is an amenable number.

2153532012 is an abundant number, since it is smaller than the sum of its proper divisors (2871376044).

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

2153532012 is a wasteful number, since it uses less digits than its factorization.

2153532012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179461008 (or 179461006 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2153532012 is about 46406.1635130507. The cubic root of 2153532012 is about 1291.3692593957.

Adding to 2153532012 its reverse (2102353512), we get a palindrome (4255885524).

The spelling of 2153532012 in words is "two billion, one hundred fifty-three million, five hundred thirty-two thousand, twelve".