201001020221212 has 6 divisors (see below), whose sum is σ = 351751785387128. Its totient is φ = 100500510110604.

The previous prime is 201001020221179. The next prime is 201001020221231. The reversal of 201001020221212 is 212122020100102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25125127527648 + ... + 25125127527655.

Almost surely, 2^{201001020221212} is an apocalyptic number.

It is an amenable number.

201001020221212 is a deficient number, since it is larger than the sum of its proper divisors (150750765165916).

201001020221212 is a wasteful number, since it uses less digits than its factorization.

201001020221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50250255055307 (or 50250255055305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201001020221212 its reverse (212122020100102), we get a palindrome (413123040321314).

The spelling of 201001020221212 in words is "two hundred one trillion, one billion, twenty million, two hundred twenty-one thousand, two hundred twelve".