201211202012 has 6 divisors (see below), whose sum is σ = 352119603528. Its totient is φ = 100605601004.

The previous prime is 201211201991. The next prime is 201211202021. The reversal of 201211202012 is 210202112102.

It is a super-2 number, since 2×201211202012² (a number of 23 digits) contains 22 as substring.

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, 25151400248 + ... + 25151400255.

It is an arithmetic number, because the mean of its divisors is an integer number (58686600588).

Almost surely, 2^201211202012 is an apocalyptic number.

It is an amenable number.

201211202012 is a deficient number, since it is larger than the sum of its proper divisors (150908401516).

201211202012 is a wasteful number, since it uses less digits than its factorization.

201211202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50302800507 (or 50302800505 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201211202012 its reverse (210202112102), we get a palindrome (411413314114).

The spelling of 201211202012 in words is "two hundred one billion, two hundred eleven million, two hundred two thousand, twelve".