2121003230032 has 10 divisors (see below), whose sum is σ = 4109443758218. Its totient is φ = 1060501615008.

The previous prime is 2121003229999. The next prime is 2121003230041. The reversal of 2121003230032 is 2300323001212.

It can be written as a sum of positive squares in only one way, i.e., 2034628371216 + 86374858816 = 1426404^2 + 293896^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2121003229991 and 2121003230009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66281350923 + ... + 66281350954.

Almost surely, 2^{2121003230032} is an apocalyptic number.

It is an amenable number.

2121003230032 is a deficient number, since it is larger than the sum of its proper divisors (1988440528186).

2121003230032 is a wasteful number, since it uses less digits than its factorization.

2121003230032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132562701885 (or 132562701879 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2121003230032 its reverse (2300323001212), we get a palindrome (4421326231244).

The spelling of 2121003230032 in words is "two trillion, one hundred twenty-one billion, three million, two hundred thirty thousand, thirty-two".