12000222010 has 40 divisors (see below), whose sum is σ = 25199017236. Its totient is φ = 4114353600.

The previous prime is 12000221983. The next prime is 12000222037. The reversal of 12000222010 is 1022200021.

It is an interprime number because it is at equal distance from previous prime (12000221983) and next prime (12000222037).

It can be written as a sum of positive squares in 2 ways, for example, as 11610278001 + 389944009 = 107751^2 + 19747^2 .

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 19 ways as a sum of consecutive naturals, for example, 225891 + ... + 273910.

Almost surely, 2^12000222010 is an apocalyptic number.

12000222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12000222010 is an abundant number, since it is smaller than the sum of its proper divisors (13198795226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12000222010 is an frugal number, since it uses more digits than its factorization.

12000222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499836 (or 499815 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12000222010 its reverse (1022200021), we get a palindrome (13022422031).

The spelling of 12000222010 in words is "twelve billion, two hundred twenty-two thousand, ten".