10000121202000 has 480 divisors, whose sum is σ = 36129465066240. Its totient is φ = 2575935820800.

The previous prime is 10000121201969. The next prime is 10000121202007. The reversal of 10000121202000 is 20212100001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000121202007) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 92519989 + ... + 92628011.

It is an arithmetic number, because the mean of its divisors is an integer number (75269718888).

Almost surely, 2^{10000121202000} is an apocalyptic number.

10000121202000 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 10000121202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18064732533120).

10000121202000 is an abundant number, since it is smaller than the sum of its proper divisors (26129343864240).

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

10000121202000 is a wasteful number, since it uses less digits than its factorization.

10000121202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108228 (or 108209 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10000121202000 its reverse (20212100001), we get a palindrome (10020333302001).

The spelling of 10000121202000 in words is "ten trillion, one hundred twenty-one million, two hundred two thousand".