421202124450120 has 64 divisors (see below), whose sum is σ = 1360806863613120. Its totient is φ = 103680522941184.

The previous prime is 421202124450103. The next prime is 421202124450167. The reversal of 421202124450120 is 21054421202124.

It is a super-2 number, since 2×421202124450120² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135000679354 + ... + 135000682473.

It is an arithmetic number, because the mean of its divisors is an integer number (21262607243955).

Almost surely, 2^{421202124450120} is an apocalyptic number.

421202124450120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421202124450120 is an abundant number, since it is smaller than the sum of its proper divisors (939604739163000).

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

421202124450120 is a wasteful number, since it uses less digits than its factorization.

421202124450120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270001361854 (or 270001361850 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 421202124450120 its reverse (21054421202124), we get a palindrome (442256545652244).

The spelling of 421202124450120 in words is "four hundred twenty-one trillion, two hundred two billion, one hundred twenty-four million, four hundred fifty thousand, one hundred twenty".