212021221012022 has 16 divisors (see below), whose sum is σ = 319584894053040. Its totient is φ = 105494042320128.

The previous prime is 212021221012019. The next prime is 212021221012099. The reversal of 212021221012022 is 220210122120212.

It is a junction number, because it is equal to n+sod(n) for n = 212021221011985 and 212021221012003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279452147 + ... + 280209822.

It is an arithmetic number, because the mean of its divisors is an integer number (19974055878315).

Almost surely, 2^{212021221012022} is an apocalyptic number.

212021221012022 is a deficient number, since it is larger than the sum of its proper divisors (107563673041018).

212021221012022 is a wasteful number, since it uses less digits than its factorization.

212021221012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559662895.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212021221012022 its reverse (220210122120212), we get a palindrome (432231343132234).

The spelling of 212021221012022 in words is "two hundred twelve trillion, twenty-one billion, two hundred twenty-one million, twelve thousand, twenty-two".