10212100202020 has 12 divisors (see below), whose sum is σ = 21445410424284. Its totient is φ = 4084840080800.

The previous prime is 10212100201993. The next prime is 10212100202021. The reversal of 10212100202020 is 2020200121201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1691399089444 + 8520701112576 = 1300538^2 + 2919024^2 .

It is not an unprimeable number, because it can be changed into a prime (10212100202021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255302505031 + ... + 255302505070.

It is an arithmetic number, because the mean of its divisors is an integer number (1787117535357).

Almost surely, 2^{10212100202020} is an apocalyptic number.

10212100202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212100202020 is an abundant number, since it is smaller than the sum of its proper divisors (11233310222264).

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

10212100202020 is a wasteful number, since it uses less digits than its factorization.

10212100202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510605010110 (or 510605010108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10212100202020 its reverse (2020200121201), we get a palindrome (12232300323221).

The spelling of 10212100202020 in words is "ten trillion, two hundred twelve billion, one hundred million, two hundred two thousand, twenty".