12200045 has 32 divisors (see below), whose sum is σ = 17466624. Its totient is φ = 8064000.

The previous prime is 12200029. The next prime is 12200053. The reversal of 12200045 is 54000221.

12200045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12200045 - 2⁴ = 12200029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80720 + ... + 80870.

It is an arithmetic number, because the mean of its divisors is an integer number (545832).

Almost surely, 2^12200045 is an apocalyptic number.

It is an amenable number.

12200045 is a deficient number, since it is larger than the sum of its proper divisors (5266579).

12200045 is a wasteful number, since it uses less digits than its factorization.

12200045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 12200045 is about 3492.8562810399. The cubic root of 12200045 is about 230.2080348383.

Adding to 12200045 its reverse (54000221), we get a palindrome (66200266).

The spelling of 12200045 in words is "twelve million, two hundred thousand, forty-five".