2011022123012 has 24 divisors (see below), whose sum is σ = 4022133615360. Its totient is φ = 861847473600.

The previous prime is 2011022122987. The next prime is 2011022123087. The reversal of 2011022123012 is 2103212201102.

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, 523064 + ... + 2072592.

It is an arithmetic number, because the mean of its divisors is an integer number (167588900640).

Almost surely, 2^{2011022123012} is an apocalyptic number.

It is an amenable number.

2011022123012 is an abundant number, since it is smaller than the sum of its proper divisors (2011111492348).

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

2011022123012 is a wasteful number, since it uses less digits than its factorization.

2011022123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595891 (or 1595889 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2011022123012 its reverse (2103212201102), we get a palindrome (4114234324114).

The spelling of 2011022123012 in words is "two trillion, eleven billion, twenty-two million, one hundred twenty-three thousand, twelve".