1025410221200 has 30 divisors (see below), whose sum is σ = 2463548057394. Its totient is φ = 410164088320.

The previous prime is 1025410221193. The next prime is 1025410221347. The reversal of 1025410221200 is 21220145201.

It can be written as a sum of positive squares in 3 ways, for example, as 124367104 + 1025285854096 = 11152^2 + 1012564^2 .

It is a super-2 number, since 2×1025410221200² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1281762377 + ... + 1281763176.

Almost surely, 2^{1025410221200} is an apocalyptic number.

1025410221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025410221200 is an abundant number, since it is smaller than the sum of its proper divisors (1438137836194).

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

1025410221200 is a wasteful number, since it uses less digits than its factorization.

1025410221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563525571 (or 2563525560 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 1025410221200 its reverse (21220145201), we get a palindrome (1046630366401).

The spelling of 1025410221200 in words is "one trillion, twenty-five billion, four hundred ten million, two hundred twenty-one thousand, two hundred".