10212121122000 has 640 divisors, whose sum is σ = 38883606528000. Its totient is φ = 2256429312000.

The previous prime is 10212121121981. The next prime is 10212121122067. The reversal of 10212121122000 is 22112121201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1352774226 + ... + 1352781774.

It is an arithmetic number, because the mean of its divisors is an integer number (60755635200).

Almost surely, 2^{10212121122000} is an apocalyptic number.

10212121122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10212121122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19441803264000).

10212121122000 is an abundant number, since it is smaller than the sum of its proper divisors (28671485406000).

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

10212121122000 is a wasteful number, since it uses less digits than its factorization.

10212121122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8652 (or 8636 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10212121122000 its reverse (22112121201), we get a palindrome (10234233243201).

The spelling of 10212121122000 in words is "ten trillion, two hundred twelve billion, one hundred twenty-one million, one hundred twenty-two thousand".