212100012020010 has 128 divisors (see below), whose sum is σ = 531142551853056. Its totient is φ = 54166628678400.

The previous prime is 212100012020009. The next prime is 212100012020023. The reversal of 212100012020010 is 10020210001212.

212100012020010 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 5517409 + ... + 21322331.

It is an arithmetic number, because the mean of its divisors is an integer number (4149551186352).

Almost surely, 2^{212100012020010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212100012020010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265571275926528).

212100012020010 is an abundant number, since it is smaller than the sum of its proper divisors (319042539833046).

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

212100012020010 is a wasteful number, since it uses less digits than its factorization.

212100012020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15805180.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212100012020010 its reverse (10020210001212), we get a palindrome (222120222021222).

The spelling of 212100012020010 in words is "two hundred twelve trillion, one hundred billion, twelve million, twenty thousand, ten".