2111303423412 has 36 divisors (see below), whose sum is σ = 5337101085316. Its totient is φ = 703742065920.

The previous prime is 2111303423401. The next prime is 2111303423413. The reversal of 2111303423412 is 2143243031112.

2111303423412 is a `hidden beast` number, since 2 + 1 + 11 + 303 + 4 + 2 + 341 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 634115986596 + 1477187436816 = 796314^2 + 1215396^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2111303423412² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111303423413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61639 + ... + 2055822.

Almost surely, 2^{2111303423412} is an apocalyptic number.

It is an amenable number.

2111303423412 is an abundant number, since it is smaller than the sum of its proper divisors (3225797661904).

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

2111303423412 is a wasteful number, since it uses less digits than its factorization.

2111303423412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145168 (or 2145163 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 2111303423412 its reverse (2143243031112), we get a palindrome (4254546454524).

The spelling of 2111303423412 in words is "two trillion, one hundred eleven billion, three hundred three million, four hundred twenty-three thousand, four hundred twelve".