10012112001 has 12 divisors (see below), whose sum is σ = 14997567312. Its totient is φ = 6674741172.

The previous prime is 10012111979. The next prime is 10012112003. The reversal of 10012112001 is 10021121001.

It is a happy number.

It is not a de Polignac number, because 10012112001 - 2⁹ = 10012111489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10012112003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20600811 + ... + 20601296.

It is an arithmetic number, because the mean of its divisors is an integer number (1249797276).

Almost surely, 2^10012112001 is an apocalyptic number.

It is an amenable number.

10012112001 is a deficient number, since it is larger than the sum of its proper divisors (4985455311).

10012112001 is an frugal number, since it uses more digits than its factorization.

10012112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41202122 (or 41202110 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10012112001 its reverse (10021121001), we get a palindrome (20033233002).

The spelling of 10012112001 in words is "ten billion, twelve million, one hundred twelve thousand, one".