2152423012 has 6 divisors (see below), whose sum is σ = 3766740278. Its totient is φ = 1076211504.

The previous prime is 2152422997. The next prime is 2152423067. The reversal of 2152423012 is 2103242512.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1534602276 + 617820736 = 39174^2 + 24856^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269052873 + ... + 269052880.

Almost surely, 2^2152423012 is an apocalyptic number.

It is an amenable number.

2152423012 is a deficient number, since it is larger than the sum of its proper divisors (1614317266).

2152423012 is a wasteful number, since it uses less digits than its factorization.

2152423012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538105757 (or 538105755 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2152423012 is about 46394.2131305188. The cubic root of 2152423012 is about 1291.1475500666.

Adding to 2152423012 its reverse (2103242512), we get a palindrome (4255665524).

The spelling of 2152423012 in words is "two billion, one hundred fifty-two million, four hundred twenty-three thousand, twelve".