10212222001220 has 48 divisors (see below), whose sum is σ = 21626869168128. Its totient is φ = 4050410676480.

The previous prime is 10212222001213. The next prime is 10212222001297. The reversal of 10212222001220 is 2210022221201.

It is a happy number.

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, 3305855 + ... + 5599385.

It is an arithmetic number, because the mean of its divisors is an integer number (450559774336).

Almost surely, 2^{10212222001220} is an apocalyptic number.

10212222001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212222001220 is an abundant number, since it is smaller than the sum of its proper divisors (11414647166908).

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

10212222001220 is a wasteful number, since it uses less digits than its factorization.

10212222001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295420 (or 2295418 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10212222001220 its reverse (2210022221201), we get a palindrome (12422244222421).

The spelling of 10212222001220 in words is "ten trillion, two hundred twelve billion, two hundred twenty-two million, one thousand, two hundred twenty".