121232323021210 has 8 divisors (see below), whose sum is σ = 218218181438196. Its totient is φ = 48492929208480.

The previous prime is 121232323021207. The next prime is 121232323021223. The reversal of 121232323021210 is 12120323232121.

It can be written as a sum of positive squares in 2 ways, for example, as 112380204508209 + 8852118513001 = 10600953^2 + 2975251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121232323021210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6061616151051 + ... + 6061616151070.

Almost surely, 2^{121232323021210} is an apocalyptic number.

121232323021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121232323021210 is a deficient number, since it is larger than the sum of its proper divisors (96985858416986).

121232323021210 is a wasteful number, since it uses less digits than its factorization.

121232323021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12123232302128.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 121232323021210 its reverse (12120323232121), we get a palindrome (133352646253331).

The spelling of 121232323021210 in words is "one hundred twenty-one trillion, two hundred thirty-two billion, three hundred twenty-three million, twenty-one thousand, two hundred ten".