123212423012 has 24 divisors (see below), whose sum is σ = 247027374720. Its totient is φ = 52676210880.

The previous prime is 123212422939. The next prime is 123212423023. The reversal of 123212423012 is 210324212321.

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, 5368064 + ... + 5390967.

It is an arithmetic number, because the mean of its divisors is an integer number (10292807280).

Almost surely, 2^123212423012 is an apocalyptic number.

It is an amenable number.

123212423012 is an abundant number, since it is smaller than the sum of its proper divisors (123814951708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123212423012 is a wasteful number, since it uses less digits than its factorization.

123212423012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10759451 (or 10759449 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123212423012 its reverse (210324212321), we get a palindrome (333536635333).

The spelling of 123212423012 in words is "one hundred twenty-three billion, two hundred twelve million, four hundred twenty-three thousand, twelve".