1052121044044 has 24 divisors (see below), whose sum is σ = 2104943904000. Its totient is φ = 450758629776.

The previous prime is 1052121043973. The next prime is 1052121044099. The reversal of 1052121044044 is 4404401212501.

It is a happy number.

It is a super-2 number, since 2×1052121044044² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6180742 + ... + 6348685.

It is an arithmetic number, because the mean of its divisors is an integer number (87705996000).

Almost surely, 2^{1052121044044} is an apocalyptic number.

1052121044044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1052121044044 is an abundant number, since it is smaller than the sum of its proper divisors (1052822859956).

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

1052121044044 is a wasteful number, since it uses less digits than its factorization.

1052121044044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12532437 (or 12532435 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 1052121044044 its reverse (4404401212501), we get a palindrome (5456522256545).

The spelling of 1052121044044 in words is "one trillion, fifty-two billion, one hundred twenty-one million, forty-four thousand, forty-four".