212210010020000 has 120 divisors (see below), whose sum is σ = 523370392279812. Its totient is φ = 84672320000000.

The previous prime is 212210010019981. The next prime is 212210010020017. The reversal of 212210010020000 is 20010012212.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 8911347395344 + 203298662624656 = 2985188^2 + 14258284^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5210051 + ... + 21250050.

Almost surely, 2^{212210010020000} is an apocalyptic number.

212210010020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212210010020000 is an abundant number, since it is smaller than the sum of its proper divisors (311160382259812).

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

212210010020000 is an equidigital number, since it uses as much as digits as its factorization.

212210010020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26460532 (or 26460509 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212210010020000 its reverse (20010012212), we get a palindrome (212230020032212).

The spelling of 212210010020000 in words is "two hundred twelve trillion, two hundred ten billion, ten million, twenty thousand".