121350719287 has 16 divisors (see below), whose sum is σ = 139009435200. Its totient is φ = 103772897280.

The previous prime is 121350719227. The next prime is 121350719299. The reversal of 121350719287 is 782917053121.

It is a cyclic number.

It is not a de Polignac number, because 121350719287 - 2⁷ = 121350719159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121350719227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11698039 + ... + 11708407.

It is an arithmetic number, because the mean of its divisors is an integer number (8688089700).

Almost surely, 2^121350719287 is an apocalyptic number.

121350719287 is a deficient number, since it is larger than the sum of its proper divisors (17658715913).

121350719287 is a wasteful number, since it uses less digits than its factorization.

121350719287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14106.

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 121350719287 in words is "one hundred twenty-one billion, three hundred fifty million, seven hundred nineteen thousand, two hundred eighty-seven".