1053452021412 has 96 divisors (see below), whose sum is σ = 2873323192320. Its totient is φ = 294135937920.

The previous prime is 1053452021357. The next prime is 1053452021443. The reversal of 1053452021412 is 2141202543501.

It is a super-2 number, since 2×1053452021412² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1053452021412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2407789 + ... + 2811467.

It is an arithmetic number, because the mean of its divisors is an integer number (29930449920).

Almost surely, 2^{1053452021412} is an apocalyptic number.

1053452021412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1053452021412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1436661596160).

1053452021412 is an abundant number, since it is smaller than the sum of its proper divisors (1819871170908).

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

1053452021412 is a wasteful number, since it uses less digits than its factorization.

1053452021412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404401 (or 404399 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1053452021412 its reverse (2141202543501), we get a palindrome (3194654564913).

The spelling of 1053452021412 in words is "one trillion, fifty-three billion, four hundred fifty-two million, twenty-one thousand, four hundred twelve".