12102030201 has 16 divisors (see below), whose sum is σ = 16673034240. Its totient is φ = 7800038160.

The previous prime is 12102030197. The next prime is 12102030203. The reversal of 12102030201 is 10203020121.

It is not a de Polignac number, because 12102030201 - 2² = 12102030197 is a prime.

It is a super-2 number, since 2×12102030201² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12102030203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30916 + ... + 158618.

It is an arithmetic number, because the mean of its divisors is an integer number (1042064640).

Almost surely, 2^12102030201 is an apocalyptic number.

It is an amenable number.

12102030201 is a deficient number, since it is larger than the sum of its proper divisors (4571004039).

12102030201 is a wasteful number, since it uses less digits than its factorization.

12102030201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128756.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12102030201 its reverse (10203020121), we get a palindrome (22305050322).

The spelling of 12102030201 in words is "twelve billion, one hundred two million, thirty thousand, two hundred one".