381224028112 has 40 divisors (see below), whose sum is σ = 771201907776. Its totient is φ = 182214210816.

The previous prime is 381224028071. The next prime is 381224028113. The reversal of 381224028112 is 211820422183.

It is a super-3 number, since 3×381224028112³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381224028113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297183 + ... + 922369.

Almost surely, 2^381224028112 is an apocalyptic number.

It is an amenable number.

381224028112 is an abundant number, since it is smaller than the sum of its proper divisors (389977879664).

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

381224028112 is a wasteful number, since it uses less digits than its factorization.

381224028112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626875 (or 626869 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The spelling of 381224028112 in words is "three hundred eighty-one billion, two hundred twenty-four million, twenty-eight thousand, one hundred twelve".