10001120012 has 48 divisors (see below), whose sum is σ = 19246924032. Its totient is φ = 4519203840.

The previous prime is 10001120011. The next prime is 10001120021. The reversal of 10001120012 is 21002110001.

It is not an unprimeable number, because it can be changed into a prime (10001120011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510437 + ... + 529667.

It is an arithmetic number, because the mean of its divisors is an integer number (400977584).

Almost surely, 2^10001120012 is an apocalyptic number.

It is an amenable number.

10001120012 is a deficient number, since it is larger than the sum of its proper divisors (9245804020).

10001120012 is a wasteful number, since it uses less digits than its factorization.

10001120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19458 (or 19456 counting only the distinct ones).

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

Adding to 10001120012 its reverse (21002110001), we get a palindrome (31003230013).

The spelling of 10001120012 in words is "ten billion, one million, one hundred twenty thousand, twelve".