212002000120020 has 144 divisors (see below), whose sum is σ = 673523177209344. Its totient is φ = 49736539564800.

The previous prime is 212002000120013. The next prime is 212002000120063. The reversal of 212002000120020 is 20021000200212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 212002000119978 and 212002000120005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 470764899 + ... + 471215018.

It is an arithmetic number, because the mean of its divisors is an integer number (4677244286176).

Almost surely, 2^{212002000120020} is an apocalyptic number.

212002000120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212002000120020 is an abundant number, since it is smaller than the sum of its proper divisors (461521177089324).

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

212002000120020 is a wasteful number, since it uses less digits than its factorization.

212002000120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941979982 (or 941979969 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 212002000120020 its reverse (20021000200212), we get a palindrome (232023000320232).

The spelling of 212002000120020 in words is "two hundred twelve trillion, two billion, one hundred twenty thousand, twenty".