120121232132 has 12 divisors (see below), whose sum is σ = 229322352336. Its totient is φ = 54600560040.

The previous prime is 120121232131. The next prime is 120121232171. The reversal of 120121232132 is 231232121021.

It is a super-2 number, since 2×120121232132² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120121232131) 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 3 ways as a sum of consecutive naturals, for example, 1365013958 + ... + 1365014045.

It is an arithmetic number, because the mean of its divisors is an integer number (19110196028).

Almost surely, 2^120121232132 is an apocalyptic number.

It is an amenable number.

120121232132 is a deficient number, since it is larger than the sum of its proper divisors (109201120204).

120121232132 is a wasteful number, since it uses less digits than its factorization.

120121232132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730028018 (or 2730028016 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 120121232132 its reverse (231232121021), we get a palindrome (351353353153).

Subtracting 120121232132 from its reverse (231232121021), we obtain a square (111110888889 = 333333²).

It can be divided in two parts, 120121 and 232132, that added together give a palindrome (352253).

The spelling of 120121232132 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred thirty-two thousand, one hundred thirty-two".