201001222212 has 96 divisors (see below), whose sum is σ = 555138904320. Its totient is φ = 55383336960.

The previous prime is 201001222189. The next prime is 201001222339. The reversal of 201001222212 is 212222100102.

It is a junction number, because it is equal to n+sod(n) for n = 201001222191 and 201001222200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2039512 + ... + 2135792.

It is an arithmetic number, because the mean of its divisors is an integer number (5782696920).

Almost surely, 2^201001222212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201001222212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277569452160).

201001222212 is an abundant number, since it is smaller than the sum of its proper divisors (354137682108).

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

201001222212 is a wasteful number, since it uses less digits than its factorization.

201001222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97181 (or 97179 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201001222212 its reverse (212222100102), we get a palindrome (413223322314).

The spelling of 201001222212 in words is "two hundred one billion, one million, two hundred twenty-two thousand, two hundred twelve".