20002012212122 has 8 divisors (see below), whose sum is σ = 30014176012500. Its totient is φ = 9997286874624.

The previous prime is 20002012212047. The next prime is 20002012212179. The reversal of 20002012212122 is 22121221020002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13435149829201 + 6566862382921 = 3665399^2 + 2562589^2 .

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 20002012212122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1859608997 + ... + 1859619752.

Almost surely, 2^{20002012212122} is an apocalyptic number.

20002012212122 is a deficient number, since it is larger than the sum of its proper divisors (10012163800378).

20002012212122 is a wasteful number, since it uses less digits than its factorization.

20002012212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719231440.

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

Adding to 20002012212122 its reverse (22121221020002), we get a palindrome (42123233232124).

The spelling of 20002012212122 in words is "twenty trillion, two billion, twelve million, two hundred twelve thousand, one hundred twenty-two".