122021706742 has 32 divisors (see below), whose sum is σ = 202624636032. Its totient is φ = 54745455744.

The previous prime is 122021706713. The next prime is 122021706743. The reversal of 122021706742 is 247607120221.

It is a junction number, because it is equal to n+sod(n) for n = 122021706698 and 122021706707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021706743) 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 15 ways as a sum of consecutive naturals, for example, 1003588 + ... + 1118584.

It is an arithmetic number, because the mean of its divisors is an integer number (6332019876).

Almost surely, 2^122021706742 is an apocalyptic number.

122021706742 is a deficient number, since it is larger than the sum of its proper divisors (80602929290).

122021706742 is a wasteful number, since it uses less digits than its factorization.

122021706742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116152.

The product of its (nonzero) digits is 18816, while the sum is 34.

Adding to 122021706742 its reverse (247607120221), we get a palindrome (369628826963).

The spelling of 122021706742 in words is "one hundred twenty-two billion, twenty-one million, seven hundred six thousand, seven hundred forty-two".