122000020405 has 16 divisors (see below), whose sum is σ = 150505127424. Its totient is φ = 94890787200.

The previous prime is 122000020403. The next prime is 122000020421. The reversal of 122000020405 is 504020000221.

It is not a de Polignac number, because 122000020405 - 2¹ = 122000020403 is a prime.

It is a super-3 number, since 3×122000020405³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000020403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1683552 + ... + 1754521.

It is an arithmetic number, because the mean of its divisors is an integer number (9406570464).

Almost surely, 2^122000020405 is an apocalyptic number.

It is an amenable number.

122000020405 is a deficient number, since it is larger than the sum of its proper divisors (28505107019).

122000020405 is a wasteful number, since it uses less digits than its factorization.

122000020405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438276.

The product of its (nonzero) digits is 160, while the sum is 16.

Adding to 122000020405 its reverse (504020000221), we get a palindrome (626020020626).

The spelling of 122000020405 in words is "one hundred twenty-two billion, twenty thousand, four hundred five".