1210221143025 has 48 divisors (see below), whose sum is σ = 2027466067200. Its totient is φ = 636891240960.

The previous prime is 1210221143003. The next prime is 1210221143063. The reversal of 1210221143025 is 5203411220121.

It is a happy number.

It is not a de Polignac number, because 1210221143025 - 2⁶ = 1210221142961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1210221142986 and 1210221143004.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9756091 + ... + 9879359.

It is an arithmetic number, because the mean of its divisors is an integer number (42238876400).

Almost surely, 2^{1210221143025} is an apocalyptic number.

1210221143025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1210221143025 is a deficient number, since it is larger than the sum of its proper divisors (817244924175).

1210221143025 is a wasteful number, since it uses less digits than its factorization.

1210221143025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125018 (or 125013 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 1210221143025 its reverse (5203411220121), we get a palindrome (6413632363146).

The spelling of 1210221143025 in words is "one trillion, two hundred ten billion, two hundred twenty-one million, one hundred forty-three thousand, twenty-five".