212011120199969 has 8 divisors (see below), whose sum is σ = 221245771602240. Its totient is φ = 202777866848656.

The previous prime is 212011120199927. The next prime is 212011120199999. The reversal of 212011120199969 is 969991021110212.

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

It is a cyclic number.

It is not a de Polignac number, because 212011120199969 - 2⁴⁴ = 194418934155553 is a prime.

It is a super-2 number, since 2×212011120199969² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212011120199969.

It is not an unprimeable number, because it can be changed into a prime (212011120199909) 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, 349202834 + ... + 349809435.

It is an arithmetic number, because the mean of its divisors is an integer number (27655721450280).

Almost surely, 2^{212011120199969} is an apocalyptic number.

It is an amenable number.

212011120199969 is a deficient number, since it is larger than the sum of its proper divisors (9234651402271).

212011120199969 is a wasteful number, since it uses less digits than its factorization.

212011120199969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699025479.

The product of its (nonzero) digits is 314928, while the sum is 53.

The spelling of 212011120199969 in words is "two hundred twelve trillion, eleven billion, one hundred twenty million, one hundred ninety-nine thousand, nine hundred sixty-nine".