123122220004 has 12 divisors (see below), whose sum is σ = 246244440064. Its totient is φ = 52766665704.

The previous prime is 123122219921. The next prime is 123122220019. The reversal of 123122220004 is 400022221321.

123122220004 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2198611044 + ... + 2198611099.

Almost surely, 2^123122220004 is an apocalyptic number.

123122220004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123122220004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123122220004 is a wasteful number, since it uses less digits than its factorization.

123122220004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4397222154 (or 4397222152 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 123122220004 its reverse (400022221321), we get a palindrome (523144441325).

The spelling of 123122220004 in words is "one hundred twenty-three billion, one hundred twenty-two million, two hundred twenty thousand, four".