20012002022122 has 8 divisors (see below), whose sum is σ = 32746912399872. Its totient is φ = 9096364555500.

The previous prime is 20012002022119. The next prime is 20012002022123. The reversal of 20012002022122 is 22122020021002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20012002022096 and 20012002022105.

It is not an unprimeable number, because it can be changed into a prime (20012002022123) 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, 454818227754 + ... + 454818227797.

It is an arithmetic number, because the mean of its divisors is an integer number (4093364049984).

Almost surely, 2^{20012002022122} is an apocalyptic number.

20012002022122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20012002022122 is a deficient number, since it is larger than the sum of its proper divisors (12734910377750).

20012002022122 is a wasteful number, since it uses less digits than its factorization.

20012002022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909636455564.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20012002022122 its reverse (22122020021002), we get a palindrome (42134022043124).

The spelling of 20012002022122 in words is "twenty trillion, twelve billion, two million, twenty-two thousand, one hundred twenty-two".