10212105125530 has 64 divisors (see below), whose sum is σ = 22932969910272. Its totient is φ = 3180852901440.

The previous prime is 10212105125483. The next prime is 10212105125543. The reversal of 10212105125530 is 3552150121201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3314484 + ... + 5604463.

It is an arithmetic number, because the mean of its divisors is an integer number (358327654848).

Almost surely, 2^{10212105125530} is an apocalyptic number.

10212105125530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10212105125530 is an abundant number, since it is smaller than the sum of its proper divisors (12720864784742).

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

10212105125530 is a wasteful number, since it uses less digits than its factorization.

10212105125530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8920459.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 10212105125530 its reverse (3552150121201), we get a palindrome (13764255246731).

The spelling of 10212105125530 in words is "ten trillion, two hundred twelve billion, one hundred five million, one hundred twenty-five thousand, five hundred thirty".