201201012021212 has 24 divisors (see below), whose sum is σ = 410963769237504. Its totient is φ = 84394345467312.

The previous prime is 201201012021199. The next prime is 201201012021293. The reversal of 201201012021212 is 212120210102102.

It is a congruent number.

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, 76444152188 + ... + 76444154819.

It is an arithmetic number, because the mean of its divisors is an integer number (17123490384896).

Almost surely, 2^{201201012021212} is an apocalyptic number.

It is an amenable number.

201201012021212 is an abundant number, since it is smaller than the sum of its proper divisors (209762757216292).

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

201201012021212 is a wasteful number, since it uses less digits than its factorization.

201201012021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152888307065 (or 152888307063 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201201012021212 its reverse (212120210102102), we get a palindrome (413321222123314).

The spelling of 201201012021212 in words is "two hundred one trillion, two hundred one billion, twelve million, twenty-one thousand, two hundred twelve".