123112113202 has 16 divisors (see below), whose sum is σ = 207520084800. Its totient is φ = 54350497872.

The previous prime is 123112113199. The next prime is 123112113227. The reversal of 123112113202 is 202311211321.

It is a self number, because there is not a number n which added to its sum of digits gives 123112113202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102935952 + ... + 102937147.

It is an arithmetic number, because the mean of its divisors is an integer number (12970005300).

Almost surely, 2^123112113202 is an apocalyptic number.

123112113202 is a deficient number, since it is larger than the sum of its proper divisors (84407971598).

123112113202 is a wasteful number, since it uses less digits than its factorization.

123112113202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205873137.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 123112113202 its reverse (202311211321), we get a palindrome (325423324523).

The spelling of 123112113202 in words is "one hundred twenty-three billion, one hundred twelve million, one hundred thirteen thousand, two hundred two".