122021012042 has 8 divisors (see below), whose sum is σ = 183033052032. Its totient is φ = 61009994700.

The previous prime is 122021012041. The next prime is 122021012077. The reversal of 122021012042 is 240210120221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 122021012042.

It is not an unprimeable number, because it can be changed into a prime (122021012041) 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, 218567 + ... + 540197.

It is an arithmetic number, because the mean of its divisors is an integer number (22879131504).

Almost surely, 2^122021012042 is an apocalyptic number.

122021012042 is a deficient number, since it is larger than the sum of its proper divisors (61012039990).

122021012042 is a wasteful number, since it uses less digits than its factorization.

122021012042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511324.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122021012042 its reverse (240210120221), we get a palindrome (362231132263).

The spelling of 122021012042 in words is "one hundred twenty-two billion, twenty-one million, twelve thousand, forty-two".