122012212021 has 8 divisors (see below), whose sum is σ = 139527722880. Its totient is φ = 104517999888.

The previous prime is 122012212013. The next prime is 122012212123. The reversal of 122012212021 is 120212210221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122012212021 - 2³ = 122012212013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122012211986 and 122012212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012212321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5312401 + ... + 5335318.

It is an arithmetic number, because the mean of its divisors is an integer number (17440965360).

Almost surely, 2^122012212021 is an apocalyptic number.

It is an amenable number.

122012212021 is a deficient number, since it is larger than the sum of its proper divisors (17515510859).

122012212021 is a wasteful number, since it uses less digits than its factorization.

122012212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10649363.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122012212021 its reverse (120212210221), we get a palindrome (242224422242).

It can be divided in two parts, 12201 and 2212021, that added together give a palindrome (2224222).

The spelling of 122012212021 in words is "one hundred twenty-two billion, twelve million, two hundred twelve thousand, twenty-one".