20012011212022 has 16 divisors (see below), whose sum is σ = 30062291828400. Its totient is φ = 9991256897952.

The previous prime is 20012011211993. The next prime is 20012011212047. The reversal of 20012011212022 is 22021211021002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20012011211987 and 20012011212005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1753729 + ... + 6565027.

It is an arithmetic number, because the mean of its divisors is an integer number (1878893239275).

Almost surely, 2^{20012011212022} is an apocalyptic number.

20012011212022 is a deficient number, since it is larger than the sum of its proper divisors (10050280616378).

20012011212022 is a wasteful number, since it uses less digits than its factorization.

20012011212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4814367.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20012011212022 its reverse (22021211021002), we get a palindrome (42033222233024).

The spelling of 20012011212022 in words is "twenty trillion, twelve billion, eleven million, two hundred twelve thousand, twenty-two".