1052221214412 has 72 divisors (see below), whose sum is σ = 2678297351184. Its totient is φ = 348307214976.

The previous prime is 1052221214399. The next prime is 1052221214413. The reversal of 1052221214412 is 2144121222501.

1052221214412 is a `hidden beast` number, since 1 + 0 + 5 + 2 + 2 + 212 + 1 + 441 + 2 = 666.

It is a super-2 number, since 2×1052221214412² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052221214413) 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 23 ways as a sum of consecutive naturals, for example, 2808838 + ... + 3161330.

It is an arithmetic number, because the mean of its divisors is an integer number (37198574322).

Almost surely, 2^{1052221214412} is an apocalyptic number.

1052221214412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1052221214412 is an abundant number, since it is smaller than the sum of its proper divisors (1626076136772).

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

1052221214412 is a wasteful number, since it uses less digits than its factorization.

1052221214412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353079 (or 353074 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 1052221214412 its reverse (2144121222501), we get a palindrome (3196342436913).

The spelling of 1052221214412 in words is "one trillion, fifty-two billion, two hundred twenty-one million, two hundred fourteen thousand, four hundred twelve".