10212011210205 has 64 divisors (see below), whose sum is σ = 21171646272000. Its totient is φ = 4668347960640.

The previous prime is 10212011210129. The next prime is 10212011210221. The reversal of 10212011210205 is 50201211021201.

It is not a de Polignac number, because 10212011210205 - 2⁹ = 10212011209693 is a prime.

It is a super-2 number, since 2×10212011210205² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110222686 + ... + 110315295.

It is an arithmetic number, because the mean of its divisors is an integer number (330806973000).

Almost surely, 2^{10212011210205} is an apocalyptic number.

10212011210205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10212011210205 is an abundant number, since it is smaller than the sum of its proper divisors (10959635061795).

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

10212011210205 is an equidigital number, since it uses as much as digits as its factorization.

10212011210205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220538016 (or 220537996 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 10212011210205 its reverse (50201211021201), we get a palindrome (60413222231406).

The spelling of 10212011210205 in words is "ten trillion, two hundred twelve billion, eleven million, two hundred ten thousand, two hundred five".