421421150412 has 240 divisors, whose sum is σ = 1229334986880. Its totient is φ = 125103398400.

The previous prime is 421421150401. The next prime is 421421150419. The reversal of 421421150412 is 214051124124.

421421150412 is a `hidden beast` number, since 4 + 2 + 142 + 1 + 1 + 504 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (421421150419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 114173487 + ... + 114177177.

It is an arithmetic number, because the mean of its divisors is an integer number (5122229112).

Almost surely, 2^421421150412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421421150412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614667493440).

421421150412 is an abundant number, since it is smaller than the sum of its proper divisors (807913836468).

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

421421150412 is a wasteful number, since it uses less digits than its factorization.

421421150412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834 (or 4823 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 421421150412 its reverse (214051124124), we get a palindrome (635472274536).

The spelling of 421421150412 in words is "four hundred twenty-one billion, four hundred twenty-one million, one hundred fifty thousand, four hundred twelve".