212010121002100 has 36 divisors (see below), whose sum is σ = 460088146434924. Its totient is φ = 84799221882880.

The previous prime is 212010121002079. The next prime is 212010121002101. The reversal of 212010121002100 is 1200121010212.

It can be written as a sum of positive squares in 6 ways, for example, as 25415996279184 + 186594124722916 = 5041428^2 + 13659946^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010121002101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58565389 + ... + 62079988.

It is an arithmetic number, because the mean of its divisors is an integer number (12780226289859).

Almost surely, 2^{212010121002100} is an apocalyptic number.

212010121002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212010121002100 is an abundant number, since it is smaller than the sum of its proper divisors (248078025432824).

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

212010121002100 is a wasteful number, since it uses less digits than its factorization.

212010121002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120662964 (or 120662957 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212010121002100 its reverse (1200121010212), we get a palindrome (213210242012312).

The spelling of 212010121002100 in words is "two hundred twelve trillion, ten billion, one hundred twenty-one million, two thousand, one hundred".