44021371212 has 96 divisors (see below), whose sum is σ = 140467084800. Its totient is φ = 11610029376.

The previous prime is 44021371211. The next prime is 44021371237. The reversal of 44021371212 is 21217312044.

44021371212 is a `hidden beast` number, since 4 + 402 + 137 + 121 + 2 = 666.

44021371212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×44021371212² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (44021371211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2229762 + ... + 2249417.

It is an arithmetic number, because the mean of its divisors is an integer number (1463198800).

Almost surely, 2^44021371212 is an apocalyptic number.

44021371212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

44021371212 is an abundant number, since it is smaller than the sum of its proper divisors (96445713588).

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

44021371212 is a wasteful number, since it uses less digits than its factorization.

44021371212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479212 (or 4479204 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

Adding to 44021371212 its reverse (21217312044), we get a palindrome (65238683256).

The spelling of 44021371212 in words is "forty-four billion, twenty-one million, three hundred seventy-one thousand, two hundred twelve".