121214224545535 has 8 divisors (see below), whose sum is σ = 158680439405136. Its totient is φ = 88155799669440.

The previous prime is 121214224545511. The next prime is 121214224545563. The reversal of 121214224545535 is 535545422412121.

It is a happy number.

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

It is not a de Polignac number, because 121214224545535 - 2²¹ = 121214222448383 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101947495814 + ... + 1101947495923.

It is an arithmetic number, because the mean of its divisors is an integer number (19835054925642).

Almost surely, 2^{121214224545535} is an apocalyptic number.

121214224545535 is a deficient number, since it is larger than the sum of its proper divisors (37466214859601).

121214224545535 is a wasteful number, since it uses less digits than its factorization.

121214224545535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203894991753.

The product of its digits is 1920000, while the sum is 46.

Adding to 121214224545535 its reverse (535545422412121), we get a palindrome (656759646957656).

The spelling of 121214224545535 in words is "one hundred twenty-one trillion, two hundred fourteen billion, two hundred twenty-four million, five hundred forty-five thousand, five hundred thirty-five".