1001231120012 has 24 divisors (see below), whose sum is σ = 1855262198160. Its totient is φ = 471157470720.

The previous prime is 1001231119991. The next prime is 1001231120023. The reversal of 1001231120012 is 2100211321001.

It is a super-4 number, since 4×1001231120012⁴ (a number of 49 digits) contains 4444 as substring.

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 7 ways as a sum of consecutive naturals, for example, 3731312 + ... + 3990632.

It is an arithmetic number, because the mean of its divisors is an integer number (77302591590).

Almost surely, 2^{1001231120012} is an apocalyptic number.

It is an amenable number.

1001231120012 is a deficient number, since it is larger than the sum of its proper divisors (854031078148).

1001231120012 is a wasteful number, since it uses less digits than its factorization.

1001231120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316121 (or 316119 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1001231120012 its reverse (2100211321001), we get a palindrome (3101442441013).

The spelling of 1001231120012 in words is "one trillion, one billion, two hundred thirty-one million, one hundred twenty thousand, twelve".