212012002120111 has 8 divisors (see below), whose sum is σ = 221230401898464. Its totient is φ = 202793642895360.

The previous prime is 212012002120097. The next prime is 212012002120147. The reversal of 212012002120111 is 111021200210212.

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 212012002120111 - 2³⁷ = 211874563166639 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 (212012002120211) 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, 795715 + ... + 20607211.

It is an arithmetic number, because the mean of its divisors is an integer number (27653800237308).

Almost surely, 2^{212012002120111} is an apocalyptic number.

212012002120111 is a deficient number, since it is larger than the sum of its proper divisors (9218399778353).

212012002120111 is a wasteful number, since it uses less digits than its factorization.

212012002120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20276801.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212012002120111 its reverse (111021200210212), we get a palindrome (323033202330323).

The spelling of 212012002120111 in words is "two hundred twelve trillion, twelve billion, two million, one hundred twenty thousand, one hundred eleven".