122649453011 has 8 divisors (see below), whose sum is σ = 129330801600. Its totient is φ = 115990715880.

The previous prime is 122649452971. The next prime is 122649453079. The reversal of 122649453011 is 110354946221.

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

It is not a de Polignac number, because 122649453011 - 2²² = 122645258707 is a prime.

It is a super-2 number, since 2×122649453011² (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 (122649453211) 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 7 ways as a sum of consecutive naturals, for example, 5641721 + ... + 5663418.

It is an arithmetic number, because the mean of its divisors is an integer number (16166350200).

Almost surely, 2^122649453011 is an apocalyptic number.

122649453011 is a deficient number, since it is larger than the sum of its proper divisors (6681348589).

122649453011 is a wasteful number, since it uses less digits than its factorization.

122649453011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11305729.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 122649453011 in words is "one hundred twenty-two billion, six hundred forty-nine million, four hundred fifty-three thousand, eleven".