121210331321232 has 120 divisors (see below), whose sum is σ = 356237271994240. Its totient is φ = 39892007675520.

The previous prime is 121210331321137. The next prime is 121210331321257. The reversal of 121210331321232 is 232123133012121.

121210331321232 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 1 + 0 + 331 + 321 + 2 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 121210331321196 and 121210331321205.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197006119 + ... + 197620422.

Almost surely, 2^{121210331321232} is an apocalyptic number.

121210331321232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121210331321232 is an abundant number, since it is smaller than the sum of its proper divisors (235026940673008).

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

121210331321232 is an equidigital number, since it uses as much as digits as its factorization.

121210331321232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394626643 (or 394626625 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 121210331321232 its reverse (232123133012121), we get a palindrome (353333464333353).

The spelling of 121210331321232 in words is "one hundred twenty-one trillion, two hundred ten billion, three hundred thirty-one million, three hundred twenty-one thousand, two hundred thirty-two".