20001100022012 has 12 divisors (see below), whose sum is σ = 35002033606176. Its totient is φ = 10000518991680.

The previous prime is 20001100021997. The next prime is 20001100022039. The reversal of 20001100022012 is 21022000110002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20001100021984 and 20001100022002.

It is a congruent number.

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, 6272564 + ... + 8907707.

It is an arithmetic number, because the mean of its divisors is an integer number (2916836133848).

Almost surely, 2^{20001100022012} is an apocalyptic number.

It is an amenable number.

20001100022012 is a deficient number, since it is larger than the sum of its proper divisors (15000933584164).

20001100022012 is a wasteful number, since it uses less digits than its factorization.

20001100022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15509668 (or 15509666 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20001100022012 its reverse (21022000110002), we get a palindrome (41023100132014).

The spelling of 20001100022012 in words is "twenty trillion, one billion, one hundred million, twenty-two thousand, twelve".