212021119973 has 16 divisors (see below), whose sum is σ = 233260532736. Its totient is φ = 191488579200.

The previous prime is 212021119967. The next prime is 212021119997. The reversal of 212021119973 is 379911120212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212021119973 - 2⁴ = 212021119957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021119963) 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, 1990673 + ... + 2094473.

It is an arithmetic number, because the mean of its divisors is an integer number (14578783296).

Almost surely, 2^212021119973 is an apocalyptic number.

It is an amenable number.

212021119973 is a deficient number, since it is larger than the sum of its proper divisors (21239412763).

212021119973 is a wasteful number, since it uses less digits than its factorization.

212021119973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107204.

The product of its (nonzero) digits is 13608, while the sum is 38.

The spelling of 212021119973 in words is "two hundred twelve billion, twenty-one million, one hundred nineteen thousand, nine hundred seventy-three".