121369747299 has 64 divisors (see below), whose sum is σ = 170676979200. Its totient is φ = 76645376000.

The previous prime is 121369747297. The next prime is 121369747307. The reversal of 121369747299 is 992747963121.

It is a cyclic number.

It is not a de Polignac number, because 121369747299 - 2¹ = 121369747297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121369747297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 302667499 + ... + 302667899.

It is an arithmetic number, because the mean of its divisors is an integer number (2666827800).

Almost surely, 2^121369747299 is an apocalyptic number.

121369747299 is a deficient number, since it is larger than the sum of its proper divisors (49307231901).

121369747299 is a wasteful number, since it uses less digits than its factorization.

121369747299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916.

The product of its digits is 10287648, while the sum is 60.

The spelling of 121369747299 in words is "one hundred twenty-one billion, three hundred sixty-nine million, seven hundred forty-seven thousand, two hundred ninety-nine".