2123012132 has 12 divisors (see below), whose sum is σ = 3715686156. Its totient is φ = 1061387520.

The previous prime is 2123012119. The next prime is 2123012147. The reversal of 2123012132 is 2312103212.

It can be written as a sum of positive squares in 2 ways, for example, as 616330276 + 1506681856 = 24826^2 + 38816^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2123012132.

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, 19832 + ... + 68112.

It is an arithmetic number, because the mean of its divisors is an integer number (309640513).

Almost surely, 2^2123012132 is an apocalyptic number.

It is an amenable number.

2123012132 is a deficient number, since it is larger than the sum of its proper divisors (1592674024).

2123012132 is a wasteful number, since it uses less digits than its factorization.

2123012132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59278 (or 59276 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2123012132 is about 46076.1557858292. The cubic root of 2123012132 is about 1285.2397786184.

Adding to 2123012132 its reverse (2312103212), we get a palindrome (4435115344).

The spelling of 2123012132 in words is "two billion, one hundred twenty-three million, twelve thousand, one hundred thirty-two".