20121332301 has 24 divisors (see below), whose sum is σ = 33232992000. Its totient is φ = 11492080416.

The previous prime is 20121332299. The next prime is 20121332303. The reversal of 20121332301 is 10323312102.

20121332301 is a `hidden beast` number, since 20 + 12 + 1 + 332 + 301 = 666.

It is an interprime number because it is at equal distance from previous prime (20121332299) and next prime (20121332303).

It is not a de Polignac number, because 20121332301 - 2¹ = 20121332299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121332303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46051 + ... + 205823.

It is an arithmetic number, because the mean of its divisors is an integer number (1384708000).

Almost surely, 2^20121332301 is an apocalyptic number.

20121332301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20121332301 is a deficient number, since it is larger than the sum of its proper divisors (13111659699).

20121332301 is a wasteful number, since it uses less digits than its factorization.

20121332301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161785 (or 161782 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20121332301 its reverse (10323312102), we get a palindrome (30444644403).

The spelling of 20121332301 in words is "twenty billion, one hundred twenty-one million, three hundred thirty-two thousand, three hundred one".