12000021202 has 16 divisors (see below), whose sum is σ = 19405554840. Its totient is φ = 5532498432.

The previous prime is 12000021181. The next prime is 12000021233. The reversal of 12000021202 is 20212000021.

It can be written as a sum of positive squares in 4 ways, for example, as 3582142201 + 8417879001 = 59851^2 + 91749^2 .

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, 224253 + ... + 272560.

Almost surely, 2^12000021202 is an apocalyptic number.

12000021202 is a deficient number, since it is larger than the sum of its proper divisors (7405533638).

12000021202 is a wasteful number, since it uses less digits than its factorization.

12000021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497757.

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

Adding to 12000021202 its reverse (20212000021), we get a palindrome (32212021223).

It can be divided in two parts, 12000021 and 202, that multiplied together give a palindrome (2424004242).

The spelling of 12000021202 in words is "twelve billion, twenty-one thousand, two hundred two".