212012110121022 has 12 divisors (see below), whose sum is σ = 459359571928920. Its totient is φ = 70670703373668.

The previous prime is 212012110120963. The next prime is 212012110121033. The reversal of 212012110121022 is 220121011210212.

212012110121022 is a `hidden beast` number, since 21 + 201 + 211 + 0 + 1 + 210 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11778450562279 = 212012110121022 / (2 + 1 + 2 + 0 + 1 + 2 + 1 + 1 + 0 + 1 + 2 + 1 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 212012110120986 and 212012110121004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5889225281122 + ... + 5889225281157.

It is an arithmetic number, because the mean of its divisors is an integer number (38279964327410).

Almost surely, 2^{212012110121022} is an apocalyptic number.

212012110121022 is an abundant number, since it is smaller than the sum of its proper divisors (247347461807898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212012110121022 is a wasteful number, since it uses less digits than its factorization.

212012110121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11778450562287 (or 11778450562284 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212012110121022 its reverse (220121011210212), we get a palindrome (432133121331234).

The spelling of 212012110121022 in words is "two hundred twelve trillion, twelve billion, one hundred ten million, one hundred twenty-one thousand, twenty-two".