20121232301 has 8 divisors (see below), whose sum is σ = 21113369280. Its totient is φ = 19138870432.

The previous prime is 20121232291. The next prime is 20121232331. The reversal of 20121232301 is 10323212102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20121232301 - 2¹⁸ = 20120970157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20121232301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121232331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2439560 + ... + 2447793.

It is an arithmetic number, because the mean of its divisors is an integer number (2639171160).

Almost surely, 2^20121232301 is an apocalyptic number.

It is an amenable number.

20121232301 is a deficient number, since it is larger than the sum of its proper divisors (992136979).

20121232301 is a wasteful number, since it uses less digits than its factorization.

20121232301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887555.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20121232301 its reverse (10323212102), we get a palindrome (30444444403).

The spelling of 20121232301 in words is "twenty billion, one hundred twenty-one million, two hundred thirty-two thousand, three hundred one".