12120021202 has 8 divisors (see below), whose sum is σ = 18209984256. Its totient is φ = 6050026452.

The previous prime is 12120021197. The next prime is 12120021209. The reversal of 12120021202 is 20212002121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12120021209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4990558 + ... + 4992985.

It is an arithmetic number, because the mean of its divisors is an integer number (2276248032).

Almost surely, 2^12120021202 is an apocalyptic number.

12120021202 is a deficient number, since it is larger than the sum of its proper divisors (6089963054).

12120021202 is an equidigital number, since it uses as much as digits as its factorization.

12120021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9984152.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12120021202 its reverse (20212002121), we get a palindrome (32332023323).

The spelling of 12120021202 in words is "twelve billion, one hundred twenty million, twenty-one thousand, two hundred two".