201201201211212 has 30 divisors (see below), whose sum is σ = 525979683414108. Its totient is φ = 67067067070296.

The previous prime is 201201201211177. The next prime is 201201201211237. The reversal of 201201201211212 is 212112102102102.

201201201211212 is a `hidden beast` number, since 2 + 0 + 120 + 120 + 1 + 211 + 212 = 666.

201201201211212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 9 ways as a sum of consecutive naturals, for example, 310495680558 + ... + 310495681205.

Almost surely, 2^{201201201211212} is an apocalyptic number.

It is an amenable number.

201201201211212 is an abundant number, since it is smaller than the sum of its proper divisors (324778482202896).

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

201201201211212 is a wasteful number, since it uses less digits than its factorization.

201201201211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620991361779 (or 620991361768 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201201201211212 its reverse (212112102102102), we get a palindrome (413313303313314).

The spelling of 201201201211212 in words is "two hundred one trillion, two hundred one billion, two hundred one million, two hundred eleven thousand, two hundred twelve".