4261123707412 has 72 divisors (see below), whose sum is σ = 8818987726080. Its totient is φ = 1785809675520.

The previous prime is 4261123707403. The next prime is 4261123707413. The reversal of 4261123707412 is 2147073211624.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4261123707413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6085264 + ... + 6749272.

It is an arithmetic number, because the mean of its divisors is an integer number (122485940640).

Almost surely, 2^{4261123707412} is an apocalyptic number.

It is an amenable number.

4261123707412 is an abundant number, since it is smaller than the sum of its proper divisors (4557864018668).

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

4261123707412 is a wasteful number, since it uses less digits than its factorization.

4261123707412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664913 (or 664898 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 4261123707412 in words is "four trillion, two hundred sixty-one billion, one hundred twenty-three million, seven hundred seven thousand, four hundred twelve".