10212120243144 has 64 divisors (see below), whose sum is σ = 28367268249600. Its totient is φ = 3404007972288.

The previous prime is 10212120243137. The next prime is 10212120243161. The reversal of 10212120243144 is 44134202121201.

10212120243144 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 21 + 202 + 431 + 4 + 4 = 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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37355577 + ... + 37627959.

It is an arithmetic number, because the mean of its divisors is an integer number (443238566400).

Almost surely, 2^{10212120243144} is an apocalyptic number.

It is an amenable number.

10212120243144 is an abundant number, since it is smaller than the sum of its proper divisors (18155148006456).

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

10212120243144 is a wasteful number, since it uses less digits than its factorization.

10212120243144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445971 (or 445961 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 10212120243144 its reverse (44134202121201), we get a palindrome (54346322364345).

The spelling of 10212120243144 in words is "ten trillion, two hundred twelve billion, one hundred twenty million, two hundred forty-three thousand, one hundred forty-four".