2011012012212 has 48 divisors (see below), whose sum is σ = 5366315146752. Its totient is φ = 574187384160.

The previous prime is 2011012012193. The next prime is 2011012012213. The reversal of 2011012012212 is 2122102101102.

It is a junction number, because it is equal to n+sod(n) for n = 2011012012191 and 2011012012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011012012213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7947114 + ... + 8196257.

It is an arithmetic number, because the mean of its divisors is an integer number (111798232224).

Almost surely, 2^{2011012012212} is an apocalyptic number.

It is an amenable number.

2011012012212 is an abundant number, since it is smaller than the sum of its proper divisors (3355303134540).

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

2011012012212 is a wasteful number, since it uses less digits than its factorization.

2011012012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16144868 (or 16144866 counting only the distinct ones).

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

Adding to 2011012012212 its reverse (2122102101102), we get a palindrome (4133114113314).

The spelling of 2011012012212 in words is "two trillion, eleven billion, twelve million, twelve thousand, two hundred twelve".