2011121413212 has 24 divisors (see below), whose sum is σ = 4896643441536. Its totient is φ = 641227117168.

The previous prime is 2011121413211. The next prime is 2011121413243. The reversal of 2011121413212 is 2123141211102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011121413211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3643335618 + ... + 3643336169.

It is an arithmetic number, because the mean of its divisors is an integer number (204026810064).

Almost surely, 2^{2011121413212} is an apocalyptic number.

It is an amenable number.

2011121413212 is an abundant number, since it is smaller than the sum of its proper divisors (2885522028324).

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

2011121413212 is a wasteful number, since it uses less digits than its factorization.

2011121413212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7286671817 (or 7286671815 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 2011121413212 its reverse (2123141211102), we get a palindrome (4134262624314).

The spelling of 2011121413212 in words is "two trillion, eleven billion, one hundred twenty-one million, four hundred thirteen thousand, two hundred twelve".