200421433212 has 192 divisors, whose sum is σ = 628213555200. Its totient is φ = 48028619520.

The previous prime is 200421433181. The next prime is 200421433217. The reversal of 200421433212 is 212334124002.

It is a happy number.

200421433212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200421433217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36982239 + ... + 36987657.

It is an arithmetic number, because the mean of its divisors is an integer number (3271945600).

Almost surely, 2^200421433212 is an apocalyptic number.

200421433212 is a gapful number since it is divisible by the number (22) 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 200421433212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314106777600).

200421433212 is an abundant number, since it is smaller than the sum of its proper divisors (427792121988).

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

200421433212 is a wasteful number, since it uses less digits than its factorization.

200421433212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8536 (or 8534 counting only the distinct ones).

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

Adding to 200421433212 its reverse (212334124002), we get a palindrome (412755557214).

The spelling of 200421433212 in words is "two hundred billion, four hundred twenty-one million, four hundred thirty-three thousand, two hundred twelve".