212020299969 has 8 divisors (see below), whose sum is σ = 283130665920. Its totient is φ = 141128400336.

The previous prime is 212020299947. The next prime is 212020300049. The reversal of 212020299969 is 969992020212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212020299969 - 2²³ = 212011911361 is a prime.

It is a super-2 number, since 2×212020299969² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (212020299919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54614314 + ... + 54618195.

It is an arithmetic number, because the mean of its divisors is an integer number (35391333240).

Almost surely, 2^212020299969 is an apocalyptic number.

It is an amenable number.

212020299969 is a deficient number, since it is larger than the sum of its proper divisors (71110365951).

212020299969 is a wasteful number, since it uses less digits than its factorization.

212020299969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109233159.

The product of its (nonzero) digits is 629856, while the sum is 51.

The spelling of 212020299969 in words is "two hundred twelve billion, twenty million, two hundred ninety-nine thousand, nine hundred sixty-nine".