12001012210 has 16 divisors (see below), whose sum is σ = 23565624192. Its totient is φ = 4364004400.

The previous prime is 12001012207. The next prime is 12001012241. The reversal of 12001012210 is 1221010021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54549946 + ... + 54550165.

It is an arithmetic number, because the mean of its divisors is an integer number (1472851512).

Almost surely, 2^12001012210 is an apocalyptic number.

12001012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001012210 is a deficient number, since it is larger than the sum of its proper divisors (11564611982).

12001012210 is a wasteful number, since it uses less digits than its factorization.

12001012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109100129.

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

Adding to 12001012210 its reverse (1221010021), we get a palindrome (13222022231).

The spelling of 12001012210 in words is "twelve billion, one million, twelve thousand, two hundred ten".