210121121332312 has 32 divisors (see below), whose sum is σ = 394745456463120. Its totient is φ = 104855862453120.

The previous prime is 210121121332307. The next prime is 210121121332361. The reversal of 210121121332312 is 213233121121012.

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, 3690723 + ... + 20829394.

Almost surely, 2^{210121121332312} is an apocalyptic number.

It is an amenable number.

210121121332312 is a deficient number, since it is larger than the sum of its proper divisors (184624335130808).

210121121332312 is a wasteful number, since it uses less digits than its factorization.

210121121332312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24522211 (or 24522207 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 210121121332312 its reverse (213233121121012), we get a palindrome (423354242453324).

The spelling of 210121121332312 in words is "two hundred ten trillion, one hundred twenty-one billion, one hundred twenty-one million, three hundred thirty-two thousand, three hundred twelve".