2121200032 has 48 divisors (see below), whose sum is σ = 4776008832. Its totient is φ = 908455680.

The previous prime is 2121200023. The next prime is 2121200057. The reversal of 2121200032 is 2300021212.

It is a junction number, because it is equal to n+sod(n) for n = 2121199985 and 2121200021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477373 + ... + 481795.

It is an arithmetic number, because the mean of its divisors is an integer number (99500184).

Almost surely, 2^2121200032 is an apocalyptic number.

It is an amenable number.

2121200032 is an abundant number, since it is smaller than the sum of its proper divisors (2654808800).

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

2121200032 is a wasteful number, since it uses less digits than its factorization.

2121200032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581 (or 6573 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2121200032 is about 46056.4874040563. The cubic root of 2121200032 is about 1284.8740017869.

Adding to 2121200032 its reverse (2300021212), we get a palindrome (4421221244).

The spelling of 2121200032 in words is "two billion, one hundred twenty-one million, two hundred thousand, thirty-two".