123001212222 has 24 divisors (see below), whose sum is σ = 304574430576. Its totient is φ = 35143203456.

The previous prime is 123001212167. The next prime is 123001212223. The reversal of 123001212222 is 222212100321.

123001212222 is a `hidden beast` number, since 1 + 230 + 0 + 1 + 212 + 222 = 666.

123001212222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 123001212195 and 123001212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123001212223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488099923 + ... + 488100174.

It is an arithmetic number, because the mean of its divisors is an integer number (12690601274).

Almost surely, 2^123001212222 is an apocalyptic number.

123001212222 is an abundant number, since it is smaller than the sum of its proper divisors (181573218354).

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

123001212222 is a wasteful number, since it uses less digits than its factorization.

123001212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976200112 (or 976200109 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 123001212222 its reverse (222212100321), we get a palindrome (345213312543).

The spelling of 123001212222 in words is "one hundred twenty-three billion, one million, two hundred twelve thousand, two hundred twenty-two".