201201012221012 has 24 divisors (see below), whose sum is σ = 358786472606856. Its totient is φ = 98691028212608.

The previous prime is 201201012220991. The next prime is 201201012221021. The reversal of 201201012221012 is 210122210102102.

It can be written as a sum of positive squares in 4 ways, for example, as 4992748926916 + 196208263294096 = 2234446^2 + 14007436^2 .

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, 52744763 + ... + 56430594.

It is an arithmetic number, because the mean of its divisors is an integer number (14949436358619).

Almost surely, 2^{201201012221012} is an apocalyptic number.

It is an amenable number.

201201012221012 is a deficient number, since it is larger than the sum of its proper divisors (157585460385844).

201201012221012 is a wasteful number, since it uses less digits than its factorization.

201201012221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109184107 (or 109184105 counting only the distinct ones).

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

Adding to 201201012221012 its reverse (210122210102102), we get a palindrome (411323222323114).

The spelling of 201201012221012 in words is "two hundred one trillion, two hundred one billion, twelve million, two hundred twenty-one thousand, twelve".