122458673811 has 4 divisors (see below), whose sum is σ = 163278231752. Its totient is φ = 81639115872.

The previous prime is 122458673807. The next prime is 122458673849. The reversal of 122458673811 is 118376854221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 118376854221 = 3 ⋅39458951407.

It is not a de Polignac number, because 122458673811 - 2² = 122458673807 is a prime.

It is a super-2 number, since 2×122458673811² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122458673881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20409778966 + ... + 20409778971.

It is an arithmetic number, because the mean of its divisors is an integer number (40819557938).

Almost surely, 2^122458673811 is an apocalyptic number.

122458673811 is a deficient number, since it is larger than the sum of its proper divisors (40819557941).

122458673811 is an equidigital number, since it uses as much as digits as its factorization.

122458673811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40819557940.

The product of its digits is 645120, while the sum is 48.

The spelling of 122458673811 in words is "one hundred twenty-two billion, four hundred fifty-eight million, six hundred seventy-three thousand, eight hundred eleven".