1001010121012 has 12 divisors (see below), whose sum is σ = 1911019322016. Its totient is φ = 455004600440.

The previous prime is 1001010120961. The next prime is 1001010121021. The reversal of 1001010121012 is 2101210101001.

It is a super-3 number, since 3×1001010121012³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1001010121012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11375114968 + ... + 11375115055.

It is an arithmetic number, because the mean of its divisors is an integer number (159251610168).

Almost surely, 2^{1001010121012} is an apocalyptic number.

It is an amenable number.

1001010121012 is a deficient number, since it is larger than the sum of its proper divisors (910009201004).

1001010121012 is a wasteful number, since it uses less digits than its factorization.

1001010121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22750230038 (or 22750230036 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1001010121012 its reverse (2101210101001), we get a palindrome (3102220222013).

The spelling of 1001010121012 in words is "one trillion, one billion, ten million, one hundred twenty-one thousand, twelve".