12012210001 has 8 divisors (see below), whose sum is σ = 13793925600. Its totient is φ = 10345443840.

The previous prime is 12012209999. The next prime is 12012210043. The reversal of 12012210001 is 10001221021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12012210001 - 2¹ = 12012209999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12012210001.

It is not an unprimeable number, because it can be changed into a prime (12012210401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28737136 + ... + 28737553.

It is an arithmetic number, because the mean of its divisors is an integer number (1724240700).

Almost surely, 2^12012210001 is an apocalyptic number.

12012210001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12012210001 is a deficient number, since it is larger than the sum of its proper divisors (1781715599).

12012210001 is a wasteful number, since it uses less digits than its factorization.

12012210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57474719.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12012210001 its reverse (10001221021), we get a palindrome (22013431022).

The spelling of 12012210001 in words is "twelve billion, twelve million, two hundred ten thousand, one".