12120245132 has 24 divisors (see below), whose sum is σ = 22935939264. Its totient is φ = 5582289152.

The previous prime is 12120245131. The next prime is 12120245153. The reversal of 12120245132 is 23154202121.

It is a junction number, because it is equal to n+sod(n) for n = 12120245098 and 12120245107.

It is not an unprimeable number, because it can be changed into a prime (12120245131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892963 + ... + 1899354.

It is an arithmetic number, because the mean of its divisors is an integer number (955664136).

Almost surely, 2^12120245132 is an apocalyptic number.

It is an amenable number.

12120245132 is a deficient number, since it is larger than the sum of its proper divisors (10815694132).

12120245132 is a wasteful number, since it uses less digits than its factorization.

12120245132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792385 (or 3792383 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 12120245132 its reverse (23154202121), we get a palindrome (35274447253).

The spelling of 12120245132 in words is "twelve billion, one hundred twenty million, two hundred forty-five thousand, one hundred thirty-two".