200434443423212 has 48 divisors (see below), whose sum is σ = 374159420304768. Its totient is φ = 93619770869760.

The previous prime is 200434443423211. The next prime is 200434443423217. The reversal of 200434443423212 is 212324344434002.

It is a super-2 number, since 2×200434443423212² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200434443423211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61585373 + ... + 64758219.

It is an arithmetic number, because the mean of its divisors is an integer number (7794987923016).

Almost surely, 2^{200434443423212} is an apocalyptic number.

It is an amenable number.

200434443423212 is a deficient number, since it is larger than the sum of its proper divisors (173724976881556).

200434443423212 is a wasteful number, since it uses less digits than its factorization.

200434443423212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3179786 (or 3179784 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 200434443423212 its reverse (212324344434002), we get a palindrome (412758787857214).

The spelling of 200434443423212 in words is "two hundred trillion, four hundred thirty-four billion, four hundred forty-three million, four hundred twenty-three thousand, two hundred twelve".