212021212001022 has 48 divisors (see below), whose sum is σ = 459942472080000. Its totient is φ = 70587104517072.

The previous prime is 212021212001017. The next prime is 212021212001057. The reversal of 212021212001022 is 220100212120212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212021212000986 and 212021212001004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255001729 + ... + 255831827.

It is an arithmetic number, because the mean of its divisors is an integer number (9582134835000).

Almost surely, 2^{212021212001022} is an apocalyptic number.

212021212001022 is an abundant number, since it is smaller than the sum of its proper divisors (247921260078978).

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

212021212001022 is a wasteful number, since it uses less digits than its factorization.

212021212001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847485 (or 847482 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212021212001022 its reverse (220100212120212), we get a palindrome (432121424121234).

The spelling of 212021212001022 in words is "two hundred twelve trillion, twenty-one billion, two hundred twelve million, one thousand, twenty-two".