12010101201 has 32 divisors (see below), whose sum is σ = 20441088000. Its totient is φ = 6826962960.

The previous prime is 12010101139. The next prime is 12010101203. The reversal of 12010101201 is 10210101021.

It is a happy number.

It is not a de Polignac number, because 12010101201 - 2⁶ = 12010101137 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 (12010101203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130251 + ... + 202448.

It is an arithmetic number, because the mean of its divisors is an integer number (638784000).

Almost surely, 2^12010101201 is an apocalyptic number.

It is an amenable number.

12010101201 is a deficient number, since it is larger than the sum of its proper divisors (8430986799).

12010101201 is a wasteful number, since it uses less digits than its factorization.

12010101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332906 (or 332900 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12010101201 its reverse (10210101021), we get a palindrome (22220202222).

The spelling of 12010101201 in words is "twelve billion, ten million, one hundred one thousand, two hundred one".