124001220204 has 18 divisors (see below), whose sum is σ = 313447528940. Its totient is φ = 41333740056.

The previous prime is 124001220181. The next prime is 124001220281. The reversal of 124001220204 is 402022100421.

124001220204 is a `hidden beast` number, since 1 + 240 + 0 + 1 + 220 + 204 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×124001220204² (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1722239134 + ... + 1722239205.

Almost surely, 2^124001220204 is an apocalyptic number.

It is an amenable number.

124001220204 is an abundant number, since it is smaller than the sum of its proper divisors (189446308736).

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

124001220204 is a wasteful number, since it uses less digits than its factorization.

124001220204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444478349 (or 3444478344 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 124001220204 its reverse (402022100421), we get a palindrome (526023320625).

The spelling of 124001220204 in words is "one hundred twenty-four billion, one million, two hundred twenty thousand, two hundred four".