121232213232132 has 12 divisors (see below), whose sum is σ = 282875164208336. Its totient is φ = 40410737744040.

The previous prime is 121232213232103. The next prime is 121232213232149. The reversal of 121232213232132 is 231232312232121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×121232213232132² (a number of 29 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 121232213232132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5051342217994 + ... + 5051342218017.

Almost surely, 2^{121232213232132} is an apocalyptic number.

121232213232132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121232213232132 is an abundant number, since it is smaller than the sum of its proper divisors (161642950976204).

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

121232213232132 is a wasteful number, since it uses less digits than its factorization.

121232213232132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10102684436018 (or 10102684436016 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

Adding to 121232213232132 its reverse (231232312232121), we get a palindrome (352464525464253).

The spelling of 121232213232132 in words is "one hundred twenty-one trillion, two hundred thirty-two billion, two hundred thirteen million, two hundred thirty-two thousand, one hundred thirty-two".