123212200012 has 12 divisors (see below), whose sum is σ = 235223291016. Its totient is φ = 56005545440.

The previous prime is 123212199959. The next prime is 123212200019. The reversal of 123212200012 is 210002212321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123212200019) 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, 1400138593 + ... + 1400138680.

It is an arithmetic number, because the mean of its divisors is an integer number (19601940918).

Almost surely, 2^123212200012 is an apocalyptic number.

It is an amenable number.

123212200012 is a deficient number, since it is larger than the sum of its proper divisors (112011091004).

123212200012 is a wasteful number, since it uses less digits than its factorization.

123212200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800277288 (or 2800277286 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 123212200012 its reverse (210002212321), we get a palindrome (333214412333).

The spelling of 123212200012 in words is "one hundred twenty-three billion, two hundred twelve million, two hundred thousand, twelve".