4371787221812 has 24 divisors (see below), whose sum is σ = 7899459939840. Its totient is φ = 2114835058080.

The previous prime is 4371787221811. The next prime is 4371787221883. The reversal of 4371787221812 is 2181227871734.

It is a super-2 number, since 2×4371787221812² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4371787221811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4066112 + ... + 5027607.

It is an arithmetic number, because the mean of its divisors is an integer number (329144164160).

Almost surely, 2^{4371787221812} is an apocalyptic number.

It is an amenable number.

4371787221812 is a deficient number, since it is larger than the sum of its proper divisors (3527672718028).

4371787221812 is a wasteful number, since it uses less digits than its factorization.

4371787221812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9097631 (or 9097629 counting only the distinct ones).

The product of its digits is 2107392, while the sum is 53.

The spelling of 4371787221812 in words is "four trillion, three hundred seventy-one billion, seven hundred eighty-seven million, two hundred twenty-one thousand, eight hundred twelve".