212001023212 has 36 divisors (see below), whose sum is σ = 407848495320. Its totient is φ = 96351544960.

The previous prime is 212001023209. The next prime is 212001023257. The reversal of 212001023212 is 212320100212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4398339 + ... + 4446277.

It is an arithmetic number, because the mean of its divisors is an integer number (11329124870).

Almost surely, 2^212001023212 is an apocalyptic number.

212001023212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212001023212 is a deficient number, since it is larger than the sum of its proper divisors (195847472108).

212001023212 is a wasteful number, since it uses less digits than its factorization.

212001023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57102 (or 57089 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212001023212 its reverse (212320100212), we get a palindrome (424321123424).

The spelling of 212001023212 in words is "two hundred twelve billion, one million, twenty-three thousand, two hundred twelve".