2011233012 has 24 divisors (see below), whose sum is σ = 4695037536. Its totient is φ = 670102368.

The previous prime is 2011232989. The next prime is 2011233043. The reversal of 2011233012 is 2103321102.

It is a junction number, because it is equal to n+sod(n) for n = 2011232982 and 2011233000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10618 + ... + 64305.

It is an arithmetic number, because the mean of its divisors is an integer number (195626564).

Almost surely, 2^2011233012 is an apocalyptic number.

It is an amenable number.

2011233012 is an abundant number, since it is smaller than the sum of its proper divisors (2683804524).

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

2011233012 is a wasteful number, since it uses less digits than its factorization.

2011233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77167 (or 77165 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2011233012 is about 44846.7725929080. The cubic root of 2011233012 is about 1262.2754322920.

Adding to 2011233012 its reverse (2103321102), we get a palindrome (4114554114).

The spelling of 2011233012 in words is "two billion, eleven million, two hundred thirty-three thousand, twelve".