12120201431 has 8 divisors (see below), whose sum is σ = 13054035120. Its totient is φ = 11186583552.

The previous prime is 12120201419. The next prime is 12120201433. The reversal of 12120201431 is 13410202121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120201431 is a prime.

It is a super-2 number, since 2×12120201431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120201433) 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, 73940 + ... + 172358.

It is an arithmetic number, because the mean of its divisors is an integer number (1631754390).

Almost surely, 2^12120201431 is an apocalyptic number.

12120201431 is a deficient number, since it is larger than the sum of its proper divisors (933833689).

12120201431 is an equidigital number, since it uses as much as digits as its factorization.

12120201431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107905.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12120201431 its reverse (13410202121), we get a palindrome (25530403552).

The spelling of 12120201431 in words is "twelve billion, one hundred twenty million, two hundred one thousand, four hundred thirty-one".