2011233122012 has 12 divisors (see below), whose sum is σ = 3519737761680. Its totient is φ = 1005593761536.

The previous prime is 2011233122009. The next prime is 2011233122083. The reversal of 2011233122012 is 2102213321102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500613 + ... + 5854844.

It is an arithmetic number, because the mean of its divisors is an integer number (293311480140).

Almost surely, 2^{2011233122012} is an apocalyptic number.

It is an amenable number.

2011233122012 is a deficient number, since it is larger than the sum of its proper divisors (1508504639668).

2011233122012 is a wasteful number, since it uses less digits than its factorization.

2011233122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11399740 (or 11399738 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2011233122012 its reverse (2102213321102), we get a palindrome (4113446443114).

The spelling of 2011233122012 in words is "two trillion, eleven billion, two hundred thirty-three million, one hundred twenty-two thousand, twelve".