12211202000 has 80 divisors (see below), whose sum is σ = 31263637392. Its totient is φ = 4597145600.

The previous prime is 12211201993. The next prime is 12211202027. The reversal of 12211202000 is 20211221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5385798544 + 6825403456 = 73388^2 + 82616^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×12211202000² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145577 + ... + 213576.

Almost surely, 2^12211202000 is an apocalyptic number.

12211202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211202000 is an abundant number, since it is smaller than the sum of its proper divisors (19052435392).

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

12211202000 is a wasteful number, since it uses less digits than its factorization.

12211202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359193 (or 359177 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12211202000 its reverse (20211221), we get a palindrome (12231413221).

The spelling of 12211202000 in words is "twelve billion, two hundred eleven million, two hundred two thousand".