212012120022022 has 16 divisors (see below), whose sum is σ = 354447507158640. Its totient is φ = 94519335241728.

The previous prime is 212012120022019. The next prime is 212012120022023. The reversal of 212012120022022 is 220220021210212.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012120022023) 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, 164096067483 + ... + 164096068774.

It is an arithmetic number, because the mean of its divisors is an integer number (22152969197415).

Almost surely, 2^{212012120022022} is an apocalyptic number.

212012120022022 is a deficient number, since it is larger than the sum of its proper divisors (142435387136618).

212012120022022 is a wasteful number, since it uses less digits than its factorization.

212012120022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328192136295.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212012120022022 its reverse (220220021210212), we get a palindrome (432232141232234).

The spelling of 212012120022022 in words is "two hundred twelve trillion, twelve billion, one hundred twenty million, twenty-two thousand, twenty-two".