212210121120009 has 16 divisors (see below), whose sum is σ = 301096240444800. Its totient is φ = 132482345783040.

The previous prime is 212210121119993. The next prime is 212210121120017. The reversal of 212210121120009 is 900021121012212.

It is not a de Polignac number, because 212210121120009 - 2⁴ = 212210121119993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212210121120029) 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, 10454720422 + ... + 10454740719.

It is an arithmetic number, because the mean of its divisors is an integer number (18818515027800).

Almost surely, 2^{212210121120009} is an apocalyptic number.

It is an amenable number.

212210121120009 is a deficient number, since it is larger than the sum of its proper divisors (88886119324791).

212210121120009 is a wasteful number, since it uses less digits than its factorization.

212210121120009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20909461360.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 212210121120009 in words is "two hundred twelve trillion, two hundred ten billion, one hundred twenty-one million, one hundred twenty thousand, nine".