2000121032 has 128 divisors (see below), whose sum is σ = 5070643200. Its totient is φ = 716905728.

The previous prime is 2000121031. The next prime is 2000121073. The reversal of 2000121032 is 2301210002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2000121031) 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, 314993 + ... + 321279.

It is an arithmetic number, because the mean of its divisors is an integer number (39614400).

Almost surely, 2^2000121032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000121032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2535321600).

2000121032 is an abundant number, since it is smaller than the sum of its proper divisors (3070522168).

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

2000121032 is a wasteful number, since it uses less digits than its factorization.

2000121032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6355 (or 6351 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2000121032 is about 44722.7127084214. The cubic root of 2000121032 is about 1259.9464645096.

Adding to 2000121032 its reverse (2301210002), we get a palindrome (4301331034).

The spelling of 2000121032 in words is "two billion, one hundred twenty-one thousand, thirty-two".