201212020211012 has 6 divisors (see below), whose sum is σ = 352121035369278. Its totient is φ = 100606010105504.

The previous prime is 201212020210979. The next prime is 201212020211039. The reversal of 201212020211012 is 210112020212102.

It can be written as a sum of positive squares in only one way, i.e., 160725192929536 + 40486827281476 = 12677744^2 + 6362926^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25151502526373 + ... + 25151502526380.

It is an arithmetic number, because the mean of its divisors is an integer number (58686839228213).

Almost surely, 2^{201212020211012} is an apocalyptic number.

It is an amenable number.

201212020211012 is a deficient number, since it is larger than the sum of its proper divisors (150909015158266).

201212020211012 is a wasteful number, since it uses less digits than its factorization.

201212020211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50303005052757 (or 50303005052755 counting only the distinct ones).

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

Adding to 201212020211012 its reverse (210112020212102), we get a palindrome (411324040423114).

The spelling of 201212020211012 in words is "two hundred one trillion, two hundred twelve billion, twenty million, two hundred eleven thousand, twelve".