1000122011012 has 24 divisors (see below), whose sum is σ = 1769010700800. Its totient is φ = 494694777600.

The previous prime is 1000122010949. The next prime is 1000122011059. The reversal of 1000122011012 is 2101102210001.

It is a junction number, because it is equal to n+sod(n) for n = 1000122010984 and 1000122011002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363989 + ... + 1460387.

It is an arithmetic number, because the mean of its divisors is an integer number (73708779200).

Almost surely, 2^{1000122011012} is an apocalyptic number.

It is an amenable number.

1000122011012 is a deficient number, since it is larger than the sum of its proper divisors (768888689788).

1000122011012 is a wasteful number, since it uses less digits than its factorization.

1000122011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098851 (or 1098849 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1000122011012 its reverse (2101102210001), we get a palindrome (3101224221013).

The spelling of 1000122011012 in words is "one trillion, one hundred twenty-two million, eleven thousand, twelve".