421204412000 has 96 divisors (see below), whose sum is σ = 1056918844800. Its totient is φ = 164896972800.

The previous prime is 421204411951. The next prime is 421204412011. The reversal of 421204412000 is 214402124.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 932225 + ... + 1308224.

It is an arithmetic number, because the mean of its divisors is an integer number (11009571300).

Almost surely, 2^421204412000 is an apocalyptic number.

421204412000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421204412000 is an abundant number, since it is smaller than the sum of its proper divisors (635714432800).

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

421204412000 is a wasteful number, since it uses less digits than its factorization.

421204412000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240521 (or 2240503 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 421204412000 its reverse (214402124), we get a palindrome (421418814124).

The spelling of 421204412000 in words is "four hundred twenty-one billion, two hundred four million, four hundred twelve thousand".