12213535045 has 16 divisors (see below), whose sum is σ = 14786860032. Its totient is φ = 9684126720.

The previous prime is 12213535043. The next prime is 12213535121. The reversal of 12213535045 is 54053531221.

It is not a de Polignac number, because 12213535045 - 2¹ = 12213535043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12213534998 and 12213535016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213535043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238164 + ... + 284866.

It is an arithmetic number, because the mean of its divisors is an integer number (924178752).

Almost surely, 2^12213535045 is an apocalyptic number.

It is an amenable number.

12213535045 is a deficient number, since it is larger than the sum of its proper divisors (2573324987).

12213535045 is a wasteful number, since it uses less digits than its factorization.

12213535045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47172.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 12213535045 in words is "twelve billion, two hundred thirteen million, five hundred thirty-five thousand, forty-five".