2132155212 has 48 divisors (see below), whose sum is σ = 5430012672. Its totient is φ = 645785280.

The previous prime is 2132155189. The next prime is 2132155219. The reversal of 2132155212 is 2125512312.

It is not an unprimeable number, because it can be changed into a prime (2132155219) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 490593 + ... + 494919.

It is an arithmetic number, because the mean of its divisors is an integer number (113125264).

Almost surely, 2^2132155212 is an apocalyptic number.

2132155212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2132155212 is an abundant number, since it is smaller than the sum of its proper divisors (3297857460).

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

2132155212 is a wasteful number, since it uses less digits than its factorization.

2132155212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078 (or 8076 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 2132155212 is about 46175.2662363738. The cubic root of 2132155212 is about 1287.0821642468.

Adding to 2132155212 its reverse (2125512312), we get a palindrome (4257667524).

The spelling of 2132155212 in words is "two billion, one hundred thirty-two million, one hundred fifty-five thousand, two hundred twelve".