12030222402 has 96 divisors (see below), whose sum is σ = 29883522240. Its totient is φ = 3464415360.

The previous prime is 12030222401. The next prime is 12030222403. The reversal of 12030222402 is 20422203021.

12030222402 is a `hidden beast` number, since 12 + 0 + 30 + 222 + 402 = 666.

It is an interprime number because it is at equal distance from previous prime (12030222401) and next prime (12030222403).

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 (12030222401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 295924 + ... + 334112.

It is an arithmetic number, because the mean of its divisors is an integer number (311286690).

Almost surely, 2^12030222402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12030222402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14941761120).

12030222402 is an abundant number, since it is smaller than the sum of its proper divisors (17853299838).

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

12030222402 is a wasteful number, since it uses less digits than its factorization.

12030222402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38288 (or 38285 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 12030222402 its reverse (20422203021), we get a palindrome (32452425423).

It can be divided in two parts, 12030 and 222402, that added together give a palindrome (234432).

The spelling of 12030222402 in words is "twelve billion, thirty million, two hundred twenty-two thousand, four hundred two".