122123012032291 has 4 divisors (see below), whose sum is σ = 127432708207632. Its totient is φ = 116813315856952.

The previous prime is 122123012032249. The next prime is 122123012032313. The reversal of 122123012032291 is 192230210321221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122123012032291 - 2²¹ = 122123009935139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122123012032201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2654848087636 + ... + 2654848087681.

It is an arithmetic number, because the mean of its divisors is an integer number (31858177051908).

Almost surely, 2^{122123012032291} is an apocalyptic number.

122123012032291 is a deficient number, since it is larger than the sum of its proper divisors (5309696175341).

122123012032291 is an equidigital number, since it uses as much as digits as its factorization.

122123012032291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5309696175340.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 122123012032291 in words is "one hundred twenty-two trillion, one hundred twenty-three billion, twelve million, thirty-two thousand, two hundred ninety-one".