121000430412223 has 4 divisors (see below), whose sum is σ = 121281173870688. Its totient is φ = 120719686953760.

The previous prime is 121000430412203. The next prime is 121000430412259. The reversal of 121000430412223 is 322214034000121.

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

It is a cyclic number.

It is not a de Polignac number, because 121000430412223 - 2¹⁷ = 121000430281151 is a prime.

It is a super-2 number, since 2×121000430412223² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000430412203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140371728586 + ... + 140371729447.

It is an arithmetic number, because the mean of its divisors is an integer number (30320293467672).

Almost surely, 2^{121000430412223} is an apocalyptic number.

121000430412223 is a deficient number, since it is larger than the sum of its proper divisors (280743458465).

121000430412223 is an equidigital number, since it uses as much as digits as its factorization.

121000430412223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280743458464.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 121000430412223 its reverse (322214034000121), we get a palindrome (443214464412344).

The spelling of 121000430412223 in words is "one hundred twenty-one trillion, four hundred thirty million, four hundred twelve thousand, two hundred twenty-three".