201212022412 has 12 divisors (see below), whose sum is σ = 353459904336. Its totient is φ = 100223478320.

The previous prime is 201212022367. The next prime is 201212022419. The reversal of 201212022412 is 214220212102.

It is a self number, because there is not a number n which added to its sum of digits gives 201212022412.

It is not an unprimeable number, because it can be changed into a prime (201212022419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95632039 + ... + 95634142.

It is an arithmetic number, because the mean of its divisors is an integer number (29454992028).

Almost surely, 2^201212022412 is an apocalyptic number.

It is an amenable number.

201212022412 is a deficient number, since it is larger than the sum of its proper divisors (152247881924).

201212022412 is a wasteful number, since it uses less digits than its factorization.

201212022412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191266448 (or 191266446 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201212022412 its reverse (214220212102), we get a palindrome (415432234514).

The spelling of 201212022412 in words is "two hundred one billion, two hundred twelve million, twenty-two thousand, four hundred twelve".