1142021230400 has 84 divisors (see below), whose sum is σ = 2810699811660. Its totient is φ = 456708710400.

The previous prime is 1142021230387. The next prime is 1142021230411. The reversal of 1142021230400 is 40321202411.

It can be written as a sum of positive squares in 6 ways, for example, as 56723996224 + 1085297234176 = 238168^2 + 1041776^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7478006 + ... + 7629194.

Almost surely, 2^{1142021230400} is an apocalyptic number.

1142021230400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142021230400 is an abundant number, since it is smaller than the sum of its proper divisors (1668678581260).

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

1142021230400 is a wasteful number, since it uses less digits than its factorization.

1142021230400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155932 (or 155917 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1142021230400 its reverse (40321202411), we get a palindrome (1182342432811).

The spelling of 1142021230400 in words is "one trillion, one hundred forty-two billion, twenty-one million, two hundred thirty thousand, four hundred".