1012255224210 has 256 divisors, whose sum is σ = 2786809536000. Its totient is φ = 261300695040.

The previous prime is 1012255224203. The next prime is 1012255224221. The reversal of 1012255224210 is 124225522101.

1012255224210 is a `hidden beast` number, since 1 + 0 + 1 + 225 + 5 + 224 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1062177094 + ... + 1062178046.

It is an arithmetic number, because the mean of its divisors is an integer number (10885974750).

Almost surely, 2^{1012255224210} is an apocalyptic number.

1012255224210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012255224210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1393404768000).

1012255224210 is an abundant number, since it is smaller than the sum of its proper divisors (1774554311790).

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

1012255224210 is a wasteful number, since it uses less digits than its factorization.

1012255224210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 1012255224210 in words is "one trillion, twelve billion, two hundred fifty-five million, two hundred twenty-four thousand, two hundred ten".