12121232301 has 48 divisors (see below), whose sum is σ = 18341232000. Its totient is φ = 7706793600.

The previous prime is 12121232297. The next prime is 12121232303. The reversal of 12121232301 is 10323212121.

12121232301 is a `hidden beast` number, since 12 + 121 + 232 + 301 = 666.

It is not a de Polignac number, because 12121232301 - 2² = 12121232297 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121232303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3462450 + ... + 3465948.

It is an arithmetic number, because the mean of its divisors is an integer number (382109000).

Almost surely, 2^12121232301 is an apocalyptic number.

It is an amenable number.

12121232301 is a deficient number, since it is larger than the sum of its proper divisors (6219999699).

12121232301 is a wasteful number, since it uses less digits than its factorization.

12121232301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746 (or 3743 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12121232301 its reverse (10323212121), we get a palindrome (22444444422).

The spelling of 12121232301 in words is "twelve billion, one hundred twenty-one million, two hundred thirty-two thousand, three hundred one".