212012002020220 has 24 divisors (see below), whose sum is σ = 445235285679408. Its totient is φ = 84802880534400.

The previous prime is 212012002020187. The next prime is 212012002020229. The reversal of 212012002020220 is 22020200210212.

It is a super-2 number, since 2×212012002020220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212012002020194 and 212012002020203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012002020229) 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, 119111601 + ... + 120878440.

It is an arithmetic number, because the mean of its divisors is an integer number (18551470236642).

Almost surely, 2^{212012002020220} is an apocalyptic number.

212012002020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212012002020220 is an abundant number, since it is smaller than the sum of its proper divisors (233223283659188).

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

212012002020220 is a wasteful number, since it uses less digits than its factorization.

212012002020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240034221 (or 240034219 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 212012002020220 its reverse (22020200210212), we get a palindrome (234032202230432).

The spelling of 212012002020220 in words is "two hundred twelve trillion, twelve billion, two million, twenty thousand, two hundred twenty".