12022001200 has 60 divisors (see below), whose sum is σ = 31508583768. Its totient is φ = 4371635200.

The previous prime is 12022001161. The next prime is 12022001219. The reversal of 12022001200 is 210022021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1361737 + ... + 1370536.

Almost surely, 2^12022001200 is an apocalyptic number.

12022001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022001200 is an abundant number, since it is smaller than the sum of its proper divisors (19486582568).

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

12022001200 is a wasteful number, since it uses less digits than its factorization.

12022001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732302 (or 2732291 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12022001200 its reverse (210022021), we get a palindrome (12232023221).

The spelling of 12022001200 in words is "twelve billion, twenty-two million, one thousand, two hundred".