120231220132 has 12 divisors (see below), whose sum is σ = 216091247260. Its totient is φ = 58490863776.

The previous prime is 120231220127. The next prime is 120231220133. The reversal of 120231220132 is 231022132021.

It can be written as a sum of positive squares in 2 ways, for example, as 74991631716 + 45239588416 = 273846^2 + 212696^2 .

It is not an unprimeable number, because it can be changed into a prime (120231220133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406186407 + ... + 406186702.

Almost surely, 2^120231220132 is an apocalyptic number.

It is an amenable number.

120231220132 is a deficient number, since it is larger than the sum of its proper divisors (95860027128).

120231220132 is a wasteful number, since it uses less digits than its factorization.

120231220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812373150 (or 812373148 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 120231220132 its reverse (231022132021), we get a palindrome (351253352153).

The spelling of 120231220132 in words is "one hundred twenty billion, two hundred thirty-one million, two hundred twenty thousand, one hundred thirty-two".