201001012222212 has 60 divisors (see below), whose sum is σ = 548302278127296. Its totient is φ = 64087279256880.

The previous prime is 201001012222169. The next prime is 201001012222249. The reversal of 201001012222212 is 212222210100102.

It is a happy number.

201001012222212 is a `hidden beast` number, since 20 + 100 + 101 + 222 + 221 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13486372864 + ... + 13486387767.

Almost surely, 2^{201001012222212} is an apocalyptic number.

It is an amenable number.

201001012222212 is an abundant number, since it is smaller than the sum of its proper divisors (347301265905084).

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

201001012222212 is a wasteful number, since it uses less digits than its factorization.

201001012222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26972760670 (or 26972760659 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201001012222212 its reverse (212222210100102), we get a palindrome (413223222322314).

The spelling of 201001012222212 in words is "two hundred one trillion, one billion, twelve million, two hundred twenty-two thousand, two hundred twelve".