124040002220 has 12 divisors (see below), whose sum is σ = 260484004704. Its totient is φ = 49616000880.

The previous prime is 124040002193. The next prime is 124040002231. The reversal of 124040002220 is 22200040421.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3101000036 + ... + 3101000075.

It is an arithmetic number, because the mean of its divisors is an integer number (21707000392).

Almost surely, 2^124040002220 is an apocalyptic number.

124040002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124040002220 is an abundant number, since it is smaller than the sum of its proper divisors (136444002484).

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

124040002220 is a wasteful number, since it uses less digits than its factorization.

124040002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6202000120 (or 6202000118 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 124040002220 its reverse (22200040421), we get a palindrome (146240042641).

The spelling of 124040002220 in words is "one hundred twenty-four billion, forty million, two thousand, two hundred twenty".