121311221232132 has 72 divisors (see below), whose sum is σ = 314304477754176. Its totient is φ = 39436540463424.

The previous prime is 121311221232121. The next prime is 121311221232133. The reversal of 121311221232132 is 231232122113121.

121311221232132 is a `hidden beast` number, since 1 + 2 + 1 + 311 + 2 + 21 + 2 + 321 + 3 + 2 = 666.

121311221232132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 121311221232096 and 121311221232105.

It is not an unprimeable number, because it can be changed into a prime (121311221232133) 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, 190041558 + ... + 190678829.

It is an arithmetic number, because the mean of its divisors is an integer number (4365339968808).

Almost surely, 2^{121311221232132} is an apocalyptic number.

121311221232132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121311221232132 is an abundant number, since it is smaller than the sum of its proper divisors (192993256522044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121311221232132 is a wasteful number, since it uses less digits than its factorization.

121311221232132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380720617 (or 380720612 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

Adding to 121311221232132 its reverse (231232122113121), we get a palindrome (352543343345253).

The spelling of 121311221232132 in words is "one hundred twenty-one trillion, three hundred eleven billion, two hundred twenty-one million, two hundred thirty-two thousand, one hundred thirty-two".