201211020202012 has 12 divisors (see below), whose sum is σ = 352873288109160. Its totient is φ = 100390080742256.

The previous prime is 201211020201973. The next prime is 201211020202037. The reversal of 201211020202012 is 210202020112102.

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 in 3 ways as a sum of consecutive naturals, for example, 53857337587 + ... + 53857341322.

It is an arithmetic number, because the mean of its divisors is an integer number (29406107342430).

Almost surely, 2^{201211020202012} is an apocalyptic number.

It is an amenable number.

201211020202012 is a deficient number, since it is larger than the sum of its proper divisors (151662267907148).

201211020202012 is a wasteful number, since it uses less digits than its factorization.

201211020202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107714679380 (or 107714679378 counting only the distinct ones).

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

Adding to 201211020202012 its reverse (210202020112102), we get a palindrome (411413040314114).

The spelling of 201211020202012 in words is "two hundred one trillion, two hundred eleven billion, twenty million, two hundred two thousand, twelve".