10133121000 has 128 divisors (see below), whose sum is σ = 31743653760. Its totient is φ = 2691200000.

The previous prime is 10133120969. The next prime is 10133121007. The reversal of 10133121000 is 12133101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (10133121007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 746272 + ... + 759728.

It is an arithmetic number, because the mean of its divisors is an integer number (247997295).

Almost surely, 2^10133121000 is an apocalyptic number.

10133121000 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 10133121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15871826880).

10133121000 is an abundant number, since it is smaller than the sum of its proper divisors (21610532760).

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

10133121000 is a wasteful number, since it uses less digits than its factorization.

10133121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13732 (or 13718 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 10133121000 its reverse (12133101), we get a palindrome (10145254101).

The spelling of 10133121000 in words is "ten billion, one hundred thirty-three million, one hundred twenty-one thousand".