121320204443234 has 4 divisors (see below), whose sum is σ = 181980306664854. Its totient is φ = 60660102221616.

The previous prime is 121320204443231. The next prime is 121320204443237. The reversal of 121320204443234 is 432344402023121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (121320204443231) and next prime (121320204443237).

It can be written as a sum of positive squares in only one way, i.e., 77729878767025 + 43590325676209 = 8816455^2 + 6602297^2 .

It is a super-2 number, since 2×121320204443234² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121320204443194 and 121320204443203.

It is not an unprimeable number, because it can be changed into a prime (121320204443231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30330051110807 + ... + 30330051110810.

Almost surely, 2^{121320204443234} is an apocalyptic number.

121320204443234 is a deficient number, since it is larger than the sum of its proper divisors (60660102221620).

121320204443234 is an equidigital number, since it uses as much as digits as its factorization.

121320204443234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60660102221619.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 121320204443234 its reverse (432344402023121), we get a palindrome (553664606466355).

The spelling of 121320204443234 in words is "one hundred twenty-one trillion, three hundred twenty billion, two hundred four million, four hundred forty-three thousand, two hundred thirty-four".