10212242655220 has 48 divisors (see below), whose sum is σ = 21797795508048. Its totient is φ = 4017836252160.

The previous prime is 10212242655157. The next prime is 10212242655269. The reversal of 10212242655220 is 2255624221201.

It can be written as a sum of positive squares in 8 ways, for example, as 828729839716 + 9383512815504 = 910346^2 + 3063252^2 .

It is a congruent number.

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, 74074192 + ... + 74211928.

It is an arithmetic number, because the mean of its divisors is an integer number (454120739751).

Almost surely, 2^{10212242655220} is an apocalyptic number.

10212242655220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212242655220 is an abundant number, since it is smaller than the sum of its proper divisors (11585552852828).

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

10212242655220 is a wasteful number, since it uses less digits than its factorization.

10212242655220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198580 (or 198578 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 10212242655220 its reverse (2255624221201), we get a palindrome (12467866876421).

The spelling of 10212242655220 in words is "ten trillion, two hundred twelve billion, two hundred forty-two million, six hundred fifty-five thousand, two hundred twenty".