10212021210012 has 24 divisors (see below), whose sum is σ = 23831473747200. Its totient is φ = 3403517890416.

The previous prime is 10212021209989. The next prime is 10212021210047. The reversal of 10212021210012 is 21001212021201.

It is a junction number, because it is equal to n+sod(n) for n = 10212021209973 and 10212021210000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61060462 + ... + 61227477.

It is an arithmetic number, because the mean of its divisors is an integer number (992978072800).

Almost surely, 2^{10212021210012} is an apocalyptic number.

10212021210012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10212021210012 is an abundant number, since it is smaller than the sum of its proper divisors (13619452537188).

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

10212021210012 is a wasteful number, since it uses less digits than its factorization.

10212021210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122294905 (or 122294903 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10212021210012 its reverse (21001212021201), we get a palindrome (31213233231213).

The spelling of 10212021210012 in words is "ten trillion, two hundred twelve billion, twenty-one million, two hundred ten thousand, twelve".