121655016273 has 8 divisors (see below), whose sum is σ = 185379072448. Its totient is φ = 69517152144.

The previous prime is 121655016271. The next prime is 121655016277. The reversal of 121655016273 is 372610556121.

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

It is not a de Polignac number, because 121655016273 - 2¹ = 121655016271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121655016271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2896547986 + ... + 2896548027.

It is an arithmetic number, because the mean of its divisors is an integer number (23172384056).

Almost surely, 2^121655016273 is an apocalyptic number.

It is an amenable number.

121655016273 is a deficient number, since it is larger than the sum of its proper divisors (63724056175).

121655016273 is an equidigital number, since it uses as much as digits as its factorization.

121655016273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5793096023.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 121655016273 in words is "one hundred twenty-one billion, six hundred fifty-five million, sixteen thousand, two hundred seventy-three".