20112200011012 has 6 divisors (see below), whose sum is σ = 35196350019278. Its totient is φ = 10056100005504.

The previous prime is 20112200011009. The next prime is 20112200011051. The reversal of 20112200011012 is 21011000221102.

It can be written as a sum of positive squares in only one way, i.e., 12669157509376 + 7443042501636 = 3559376^2 + 2728194^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20112200010983 and 20112200011001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2514025001373 + ... + 2514025001380.

Almost surely, 2^{20112200011012} is an apocalyptic number.

It is an amenable number.

20112200011012 is a deficient number, since it is larger than the sum of its proper divisors (15084150008266).

20112200011012 is a wasteful number, since it uses less digits than its factorization.

20112200011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028050002757 (or 5028050002755 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20112200011012 its reverse (21011000221102), we get a palindrome (41123200232114).

The spelling of 20112200011012 in words is "twenty trillion, one hundred twelve billion, two hundred million, eleven thousand, twelve".