12201200001 has 12 divisors (see below), whose sum is σ = 17625104640. Its totient is φ = 8133603000.

The previous prime is 12201199987. The next prime is 12201200017. The reversal of 12201200001 is 10000210221.

It is not a de Polignac number, because 12201200001 - 2¹³ = 12201191809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12201200041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143440 + ... + 212078.

It is an arithmetic number, because the mean of its divisors is an integer number (1468758720).

Almost surely, 2^12201200001 is an apocalyptic number.

It is an amenable number.

12201200001 is a deficient number, since it is larger than the sum of its proper divisors (5423904639).

12201200001 is a wasteful number, since it uses less digits than its factorization.

12201200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88396 (or 88393 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12201200001 its reverse (10000210221), we get a palindrome (22201410222).

The spelling of 12201200001 in words is "twelve billion, two hundred one million, two hundred thousand, one".