1000100120012 has 48 divisors (see below), whose sum is σ = 2042400816960. Its totient is φ = 419657075712.

The previous prime is 1000100120003. The next prime is 1000100120029. The reversal of 1000100120012 is 2100210010001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1505687 + ... + 2065742.

It is an arithmetic number, because the mean of its divisors is an integer number (42550017020).

Almost surely, 2^{1000100120012} is an apocalyptic number.

It is an amenable number.

1000100120012 is an abundant number, since it is smaller than the sum of its proper divisors (1042300696948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000100120012 is a wasteful number, since it uses less digits than its factorization.

1000100120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571650 (or 3571648 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1000100120012 its reverse (2100210010001), we get a palindrome (3100310130013).

The spelling of 1000100120012 in words is "one trillion, one hundred million, one hundred twenty thousand, twelve".