26122120122 has 32 divisors (see below), whose sum is σ = 60052851072. Its totient is φ = 7420319424.

The previous prime is 26122120099. The next prime is 26122120163. The reversal of 26122120122 is 22102122162.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1790293 + ... + 1804824.

It is an arithmetic number, because the mean of its divisors is an integer number (1876651596).

Almost surely, 2^26122120122 is an apocalyptic number.

26122120122 is an abundant number, since it is smaller than the sum of its proper divisors (33930730950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26122120122 is a wasteful number, since it uses less digits than its factorization.

26122120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595302.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 26122120122 its reverse (22102122162), we get a palindrome (48224242284).

The spelling of 26122120122 in words is "twenty-six billion, one hundred twenty-two million, one hundred twenty thousand, one hundred twenty-two".