123013202212 has 12 divisors (see below), whose sum is σ = 215350643340. Its totient is φ = 61484446976.

The previous prime is 123013202209. The next prime is 123013202219. The reversal of 123013202212 is 212202310321.

It can be written as a sum of positive squares in 2 ways, for example, as 10886000896 + 112127201316 = 104336^2 + 334854^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123013202212.

It is not an unprimeable number, because it can be changed into a prime (123013202219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5526037 + ... + 5548252.

It is an arithmetic number, because the mean of its divisors is an integer number (17945886945).

Almost surely, 2^123013202212 is an apocalyptic number.

It is an amenable number.

123013202212 is a deficient number, since it is larger than the sum of its proper divisors (92337441128).

123013202212 is a wasteful number, since it uses less digits than its factorization.

123013202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11077070 (or 11077068 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123013202212 its reverse (212202310321), we get a palindrome (335215512533).

The spelling of 123013202212 in words is "one hundred twenty-three billion, thirteen million, two hundred two thousand, two hundred twelve".