121223304495 has 24 divisors (see below), whose sum is σ = 210796047072. Its totient is φ = 64444536000.

The previous prime is 121223304473. The next prime is 121223304509. The reversal of 121223304495 is 594403322121.

121223304495 is a `hidden beast` number, since 12 + 122 + 3 + 30 + 4 + 495 = 666.

It is not a de Polignac number, because 121223304495 - 2²¹ = 121221207343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4316956 + ... + 4344945.

It is an arithmetic number, because the mean of its divisors is an integer number (8783168628).

Almost surely, 2^121223304495 is an apocalyptic number.

121223304495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121223304495 is a deficient number, since it is larger than the sum of its proper divisors (89572742577).

121223304495 is a wasteful number, since it uses less digits than its factorization.

121223304495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8662223 (or 8662220 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 121223304495 in words is "one hundred twenty-one billion, two hundred twenty-three million, three hundred four thousand, four hundred ninety-five".