2011212020212 has 24 divisors (see below), whose sum is σ = 3641493713760. Its totient is φ = 970794891360.

The previous prime is 2011212020197. The next prime is 2011212020221. The reversal of 2011212020212 is 2120202121102.

It is a happy number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 365718 + ... + 2038669.

It is an arithmetic number, because the mean of its divisors is an integer number (151728904740).

Almost surely, 2^{2011212020212} is an apocalyptic number.

It is an amenable number.

2011212020212 is a deficient number, since it is larger than the sum of its proper divisors (1630281693548).

2011212020212 is a wasteful number, since it uses less digits than its factorization.

2011212020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411631 (or 2411629 counting only the distinct ones).

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

Adding to 2011212020212 its reverse (2120202121102), we get a palindrome (4131414141314).

The spelling of 2011212020212 in words is "two trillion, eleven billion, two hundred twelve million, twenty thousand, two hundred twelve".