421203302124 has 96 divisors (see below), whose sum is σ = 1084556632320. Its totient is φ = 126165024000.

The previous prime is 421203302123. The next prime is 421203302159.

It is a happy number.

421203302124 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×421203302124² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421203302094 and 421203302103.

It is not an unprimeable number, because it can be changed into a prime (421203302123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8146747 + ... + 8198285.

It is an arithmetic number, because the mean of its divisors is an integer number (11297464920).

Almost surely, 2^421203302124 is an apocalyptic number.

421203302124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421203302124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542278316160).

421203302124 is an abundant number, since it is smaller than the sum of its proper divisors (663353330196).

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

421203302124 is a wasteful number, since it uses less digits than its factorization.

421203302124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52271 (or 52269 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

It can be divided in two parts, 421203 and 302124, that added together give a palindrome (723327).

The spelling of 421203302124 in words is "four hundred twenty-one billion, two hundred three million, three hundred two thousand, one hundred twenty-four".