210012011222220 has 48 divisors (see below), whose sum is σ = 653370701581920. Its totient is φ = 56003202992448.

The previous prime is 210012011222173. The next prime is 210012011222333. The reversal of 210012011222220 is 22222110210012.

It is a happy number.

210012011222220 is a `hidden beast` number, since 2 + 100 + 120 + 1 + 1 + 222 + 220 = 666.

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 = 210012011222193 and 210012011222202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194455565407 + ... + 194455566486.

It is an arithmetic number, because the mean of its divisors is an integer number (13611889616290).

Almost surely, 2^{210012011222220} is an apocalyptic number.

210012011222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210012011222220 is an abundant number, since it is smaller than the sum of its proper divisors (443358690359700).

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

210012011222220 is a wasteful number, since it uses less digits than its factorization.

210012011222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388911131911 (or 388911131903 counting only the distinct ones).

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

Adding to 210012011222220 its reverse (22222110210012), we get a palindrome (232234121432232).

The spelling of 210012011222220 in words is "two hundred ten trillion, twelve billion, eleven million, two hundred twenty-two thousand, two hundred twenty".