121270470218 has 16 divisors (see below), whose sum is σ = 185012493120. Its totient is φ = 59608233696.

The previous prime is 121270470169. The next prime is 121270470229. The reversal of 121270470218 is 812074072121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2120288 + ... + 2176731.

It is an arithmetic number, because the mean of its divisors is an integer number (11563280820).

Almost surely, 2^121270470218 is an apocalyptic number.

121270470218 is a deficient number, since it is larger than the sum of its proper divisors (63742022902).

121270470218 is a wasteful number, since it uses less digits than its factorization.

121270470218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4297261.

The product of its (nonzero) digits is 12544, while the sum is 35.

The spelling of 121270470218 in words is "one hundred twenty-one billion, two hundred seventy million, four hundred seventy thousand, two hundred eighteen".