12143021202 has 80 divisors (see below), whose sum is σ = 29472652440. Its totient is φ = 3714605568.

The previous prime is 12143021197. The next prime is 12143021207. The reversal of 12143021202 is 20212034121.

It is a happy number.

12143021202 is a `hidden beast` number, since 1 + 21 + 430 + 212 + 0 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (12143021197) and next prime (12143021207).

It can be written as a sum of positive squares in 4 ways, for example, as 11433811041 + 709210161 = 106929^2 + 26631^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12143021207) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 347674 + ... + 381002.

Almost surely, 2^12143021202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12143021202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14736326220).

12143021202 is an abundant number, since it is smaller than the sum of its proper divisors (17329631238).

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

12143021202 is a wasteful number, since it uses less digits than its factorization.

12143021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33529 (or 33520 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12143021202 its reverse (20212034121), we get a palindrome (32355055323).

The spelling of 12143021202 in words is "twelve billion, one hundred forty-three million, twenty-one thousand, two hundred two".