2152723212 has 18 divisors (see below), whose sum is σ = 5441605988. Its totient is φ = 717574392.

The previous prime is 2152723201. The next prime is 2152723253. The reversal of 2152723212 is 2123272512.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29898898 + ... + 29898969.

Almost surely, 2^2152723212 is an apocalyptic number.

It is an amenable number.

2152723212 is an abundant number, since it is smaller than the sum of its proper divisors (3288882776).

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

2152723212 is a wasteful number, since it uses less digits than its factorization.

2152723212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59797877 (or 59797872 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 2152723212 is about 46397.4483350108. The cubic root of 2152723212 is about 1291.2075730382.

Adding to 2152723212 its reverse (2123272512), we get a palindrome (4275995724).

The spelling of 2152723212 in words is "two billion, one hundred fifty-two million, seven hundred twenty-three thousand, two hundred twelve".