1001120012 has 6 divisors (see below), whose sum is σ = 1751960028. Its totient is φ = 500560004.

The previous prime is 1001120009. The next prime is 1001120039. The reversal of 1001120012 is 2100211001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125139998 + ... + 125140005.

It is an arithmetic number, because the mean of its divisors is an integer number (291993338).

Almost surely, 2^1001120012 is an apocalyptic number.

It is an amenable number.

1001120012 is a deficient number, since it is larger than the sum of its proper divisors (750840016).

1001120012 is a wasteful number, since it uses less digits than its factorization.

1001120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250280007 (or 250280005 counting only the distinct ones).

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

The square root of 1001120012 is about 31640.4805905347. The cubic root of 1001120012 is about 1000.3731980392.

Adding to 1001120012 its reverse (2100211001), we get a palindrome (3101331013).

The spelling of 1001120012 in words is "one billion, one million, one hundred twenty thousand, twelve".