201622012 has 24 divisors (see below), whose sum is σ = 361872896. Its totient is φ = 98240688.

The previous prime is 201622009. The next prime is 201622013. The reversal of 201622012 is 210226102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201622013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93013 + ... + 95155.

Almost surely, 2^201622012 is an apocalyptic number.

It is an amenable number.

201622012 is a deficient number, since it is larger than the sum of its proper divisors (160250884).

201622012 is a wasteful number, since it uses less digits than its factorization.

201622012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737 (or 2735 counting only the distinct ones).

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

The square root of 201622012 is about 14199.3666055920. The cubic root of 201622012 is about 586.3802236009.

Adding to 201622012 its reverse (210226102), we get a palindrome (411848114).

The spelling of 201622012 in words is "two hundred one million, six hundred twenty-two thousand, twelve".