12142200204 has 72 divisors (see below), whose sum is σ = 32344576992. Its totient is φ = 3833068800.

The previous prime is 12142200197. The next prime is 12142200221. The reversal of 12142200204 is 40200224121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11032 + ... + 156224.

It is an arithmetic number, because the mean of its divisors is an integer number (449230236).

Almost surely, 2^12142200204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12142200204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16172288496).

12142200204 is an abundant number, since it is smaller than the sum of its proper divisors (20202376788).

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

12142200204 is a wasteful number, since it uses less digits than its factorization.

12142200204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145327 (or 145322 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12142200204 its reverse (40200224121), we get a palindrome (52342424325).

The spelling of 12142200204 in words is "twelve billion, one hundred forty-two million, two hundred thousand, two hundred four".