1321212124332 has 72 divisors (see below), whose sum is σ = 3528478786560. Its totient is φ = 415685247840.

The previous prime is 1321212124307. The next prime is 1321212124343. The reversal of 1321212124332 is 2334212121231.

1321212124332 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 212 + 12 + 433 + 2 = 666.

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 = 1321212124296 and 1321212124305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3378468 + ... + 3749195.

Almost surely, 2^{1321212124332} is an apocalyptic number.

1321212124332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1321212124332 is an abundant number, since it is smaller than the sum of its proper divisors (2207266662228).

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

1321212124332 is a wasteful number, since it uses less digits than its factorization.

1321212124332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7127963 (or 7127958 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 1321212124332 its reverse (2334212121231), we get a palindrome (3655424245563).

The spelling of 1321212124332 in words is "one trillion, three hundred twenty-one billion, two hundred twelve million, one hundred twenty-four thousand, three hundred thirty-two".