210142443031225 has 24 divisors (see below), whose sum is σ = 266960311267968. Its totient is φ = 164018017128000.

The previous prime is 210142443031223. The next prime is 210142443031429. The reversal of 210142443031225 is 522130344241012.

It is not a de Polignac number, because 210142443031225 - 2¹ = 210142443031223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210142443031223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281716851 + ... + 282461800.

It is an arithmetic number, because the mean of its divisors is an integer number (11123346302832).

Almost surely, 2^{210142443031225} is an apocalyptic number.

210142443031225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

210142443031225 is a deficient number, since it is larger than the sum of its proper divisors (56817868236743).

210142443031225 is a wasteful number, since it uses less digits than its factorization.

210142443031225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564179025 (or 564179020 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 210142443031225 its reverse (522130344241012), we get a palindrome (732272787272237).

The spelling of 210142443031225 in words is "two hundred ten trillion, one hundred forty-two billion, four hundred forty-three million, thirty-one thousand, two hundred twenty-five".