1000212001044 has 48 divisors (see below), whose sum is σ = 2378045138112. Its totient is φ = 327088233472.

The previous prime is 1000212001039. The next prime is 1000212001057. The reversal of 1000212001044 is 4401002120001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9387172 + ... + 9493124.

It is an arithmetic number, because the mean of its divisors is an integer number (49542607044).

Almost surely, 2^{1000212001044} is an apocalyptic number.

It is an amenable number.

1000212001044 is an abundant number, since it is smaller than the sum of its proper divisors (1377833137068).

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

1000212001044 is a wasteful number, since it uses less digits than its factorization.

1000212001044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120856 (or 120854 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1000212001044 its reverse (4401002120001), we get a palindrome (5401214121045).

The spelling of 1000212001044 in words is "one trillion, two hundred twelve million, one thousand, forty-four".