201222012 has 24 divisors (see below), whose sum is σ = 470316112. Its totient is φ = 66960000.

The previous prime is 201222011. The next prime is 201222029. The reversal of 201222012 is 210222102.

It is a super-2 number, since 2×201222012² = 80980596226656288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201222011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6739 + ... + 21162.

Almost surely, 2^201222012 is an apocalyptic number.

It is an amenable number.

201222012 is an abundant number, since it is smaller than the sum of its proper divisors (269094100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201222012 is a wasteful number, since it uses less digits than its factorization.

201222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28509 (or 28507 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 201222012 is about 14185.2744774290. The cubic root of 201222012 is about 585.9921916124.

Adding to 201222012 its reverse (210222102), we get a palindrome (411444114).

The spelling of 201222012 in words is "two hundred one million, two hundred twenty-two thousand, twelve".