121211232032223 has 12 divisors (see below), whose sum is σ = 175087459345968. Its totient is φ = 80805379421760.

The previous prime is 121211232032201. The next prime is 121211232032321. The reversal of 121211232032223 is 322230232112121.

121211232032223 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 1 + 12 + 320 + 322 + 2 + 3 = 666.

It is not a de Polignac number, because 121211232032223 - 2⁹ = 121211232031711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121211232039223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175352538 + ... + 176042423.

It is an arithmetic number, because the mean of its divisors is an integer number (14590621612164).

Almost surely, 2^{121211232032223} is an apocalyptic number.

121211232032223 is a deficient number, since it is larger than the sum of its proper divisors (53876227313745).

121211232032223 is a wasteful number, since it uses less digits than its factorization.

121211232032223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351433294 (or 351433291 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 121211232032223 its reverse (322230232112121), we get a palindrome (443441464144344).

The spelling of 121211232032223 in words is "one hundred twenty-one trillion, two hundred eleven billion, two hundred thirty-two million, thirty-two thousand, two hundred twenty-three".