10001210212120 has 64 divisors (see below), whose sum is σ = 22519287252000. Its totient is φ = 3997540485120.

The previous prime is 10001210212067. The next prime is 10001210212151. The reversal of 10001210212120 is 2121201210001.

It is a self number, because there is not a number n which added to its sum of digits gives 10001210212120.

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, 327990075 + ... + 328020565.

Almost surely, 2^{10001210212120} is an apocalyptic number.

10001210212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001210212120 is an abundant number, since it is smaller than the sum of its proper divisors (12518077039880).

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

10001210212120 is a wasteful number, since it uses less digits than its factorization.

10001210212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36268 (or 36264 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10001210212120 its reverse (2121201210001), we get a palindrome (12122411422121).

The spelling of 10001210212120 in words is "ten trillion, one billion, two hundred ten million, two hundred twelve thousand, one hundred twenty".