2121123330232 has 32 divisors (see below), whose sum is σ = 4027613644800. Its totient is φ = 1047094120800.

The previous prime is 2121123330203. The next prime is 2121123330241. The reversal of 2121123330232 is 2320333211212.

It is a junction number, because it is equal to n+sod(n) for n = 2121123330197 and 2121123330206.

It is a congruent number.

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, 20165857 + ... + 20270767.

It is an arithmetic number, because the mean of its divisors is an integer number (125862926400).

Almost surely, 2^{2121123330232} is an apocalyptic number.

It is an amenable number.

2121123330232 is a deficient number, since it is larger than the sum of its proper divisors (1906490314568).

2121123330232 is a wasteful number, since it uses less digits than its factorization.

2121123330232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136987 (or 136983 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2121123330232 its reverse (2320333211212), we get a palindrome (4441456541444).

The spelling of 2121123330232 in words is "two trillion, one hundred twenty-one billion, one hundred twenty-three million, three hundred thirty thousand, two hundred thirty-two".