20012122022002 has 128 divisors (see below), whose sum is σ = 34148524838400. Its totient is φ = 8716646400000.

The previous prime is 20012122021963. The next prime is 20012122022047. The reversal of 20012122022002 is 20022022121002.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8659506427 + ... + 8659508737.

It is an arithmetic number, because the mean of its divisors is an integer number (266785350300).

Almost surely, 2^{20012122022002} is an apocalyptic number.

20012122022002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20012122022002 is a deficient number, since it is larger than the sum of its proper divisors (14136402816398).

20012122022002 is a wasteful number, since it uses less digits than its factorization.

20012122022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124.

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

Adding to 20012122022002 its reverse (20022022121002), we get a palindrome (40034144143004).

The spelling of 20012122022002 in words is "twenty trillion, twelve billion, one hundred twenty-two million, twenty-two thousand, two".