10212212021020 has 48 divisors (see below), whose sum is σ = 21894959132928. Its totient is φ = 3999901800960.

The previous prime is 10212212020999. The next prime is 10212212021021. The reversal of 10212212021020 is 2012021221201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10212212020985 and 10212212021003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212212021021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18496249 + ... + 19040368.

It is an arithmetic number, because the mean of its divisors is an integer number (456144981936).

Almost surely, 2^{10212212021020} is an apocalyptic number.

10212212021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212212021020 is an abundant number, since it is smaller than the sum of its proper divisors (11682747111908).

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

10212212021020 is a wasteful number, since it uses less digits than its factorization.

10212212021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37536910 (or 37536908 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10212212021020 its reverse (2012021221201), we get a palindrome (12224233242221).

The spelling of 10212212021020 in words is "ten trillion, two hundred twelve billion, two hundred twelve million, twenty-one thousand, twenty".