201212021434432 has 56 divisors (see below), whose sum is σ = 400465878309720. Its totient is φ = 100307629793280.

The previous prime is 201212021434423. The next prime is 201212021434441. The reversal of 201212021434432 is 234434120212102.

201212021434432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201212021434423) and next prime (201212021434441).

It can be written as a sum of positive squares in 4 ways, for example, as 110116144653376 + 91095876781056 = 10493624^2 + 9544416^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201212021434394 and 201212021434403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29380632 + ... + 35575912.

Almost surely, 2^{201212021434432} is an apocalyptic number.

It is an amenable number.

201212021434432 is a deficient number, since it is larger than the sum of its proper divisors (199253856875288).

201212021434432 is an equidigital number, since it uses as much as digits as its factorization.

201212021434432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6196799 (or 6196789 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 201212021434432 its reverse (234434120212102), we get a palindrome (435646141646534).

The spelling of 201212021434432 in words is "two hundred one trillion, two hundred twelve billion, twenty-one million, four hundred thirty-four thousand, four hundred thirty-two".