10122212121020 has 24 divisors (see below), whose sum is σ = 21258016529568. Its totient is φ = 4048623691200.

The previous prime is 10122212121019. The next prime is 10122212121031. The reversal of 10122212121020 is 2012121222101.

It is a self number, because there is not a number n which added to its sum of digits gives 10122212121020.

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, 16004351 + ... + 16624790.

It is an arithmetic number, because the mean of its divisors is an integer number (885750688732).

Almost surely, 2^{10122212121020} is an apocalyptic number.

10122212121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10122212121020 is an abundant number, since it is smaller than the sum of its proper divisors (11135804408548).

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

10122212121020 is a wasteful number, since it uses less digits than its factorization.

10122212121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32644661 (or 32644659 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10122212121020 its reverse (2012121222101), we get a palindrome (12134333343121).

The spelling of 10122212121020 in words is "ten trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, twenty".