12120202231 has 8 divisors (see below), whose sum is σ = 12159676800. Its totient is φ = 12080760120.

The previous prime is 12120202219. The next prime is 12120202253. The reversal of 12120202231 is 13220202121.

It is a happy number.

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 12120202231 - 2¹³ = 12120194039 is a prime.

It is a super-2 number, since 2×12120202231² (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 (12120202271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901960 + ... + 915298.

It is an arithmetic number, because the mean of its divisors is an integer number (1519959600).

Almost surely, 2^12120202231 is an apocalyptic number.

12120202231 is a deficient number, since it is larger than the sum of its proper divisors (39474569).

12120202231 is a wasteful number, since it uses less digits than its factorization.

12120202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16229.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12120202231 its reverse (13220202121), we get a palindrome (25340404352).

The spelling of 12120202231 in words is "twelve billion, one hundred twenty million, two hundred two thousand, two hundred thirty-one".