201211020201012 has 24 divisors (see below), whose sum is σ = 469899572505216. Its totient is φ = 67012169776128.

The previous prime is 201211020201007. The next prime is 201211020201019. The reversal of 201211020201012 is 210102020112102.

It is a junction number, because it is equal to n+sod(n) for n = 201211020200982 and 201211020201000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211020201019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7271271948 + ... + 7271299619.

It is an arithmetic number, because the mean of its divisors is an integer number (19579148854384).

Almost surely, 2^{201211020201012} is an apocalyptic number.

It is an amenable number.

201211020201012 is an abundant number, since it is smaller than the sum of its proper divisors (268688552304204).

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

201211020201012 is a wasteful number, since it uses less digits than its factorization.

201211020201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14542572727 (or 14542572725 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201211020201012 its reverse (210102020112102), we get a palindrome (411313040313114).

The spelling of 201211020201012 in words is "two hundred one trillion, two hundred eleven billion, twenty million, two hundred one thousand, twelve".