1021304315200 has 126 divisors (see below), whose sum is σ = 2721229053594. Its totient is φ = 377096878080.

The previous prime is 1021304315197. The next prime is 1021304315237. The reversal of 1021304315200 is 25134031201.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 282777205824 + 738527109376 = 531768^2 + 859376^2 .

It is a super-2 number, since 2×1021304315200² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1618107 + ... + 2158906.

Almost surely, 2^{1021304315200} is an apocalyptic number.

1021304315200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021304315200 is an abundant number, since it is smaller than the sum of its proper divisors (1699924738394).

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

1021304315200 is a wasteful number, since it uses less digits than its factorization.

1021304315200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777061 (or 3777033 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 1021304315200 its reverse (25134031201), we get a palindrome (1046438346401).

The spelling of 1021304315200 in words is "one trillion, twenty-one billion, three hundred four million, three hundred fifteen thousand, two hundred".