201022212 has 24 divisors (see below), whose sum is σ = 496643616. Its totient is φ = 63065728.

The previous prime is 201022207. The next prime is 201022271. The reversal of 201022212 is 212220102.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492498 + ... + 492905.

It is an arithmetic number, because the mean of its divisors is an integer number (20693484).

Almost surely, 2^201022212 is an apocalyptic number.

It is an amenable number.

201022212 is an abundant number, since it is smaller than the sum of its proper divisors (295621404).

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

201022212 is a wasteful number, since it uses less digits than its factorization.

201022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985427 (or 985425 counting only the distinct ones).

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

The square root of 201022212 is about 14178.2302139583. The cubic root of 201022212 is about 585.7981770322.

Adding to 201022212 its reverse (212220102), we get a palindrome (413242314).

The spelling of 201022212 in words is "two hundred one million, twenty-two thousand, two hundred twelve".