33121223132 has 12 divisors (see below), whose sum is σ = 57964076520. Its totient is φ = 16560058416.

The previous prime is 33121223099. The next prime is 33121223183. The reversal of 33121223132 is 23132212133.

It is a junction number, because it is equal to n+sod(n) for n = 33121223098 and 33121223107.

It is a congruent number.

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, 15419 + ... + 257837.

It is an arithmetic number, because the mean of its divisors is an integer number (4830339710).

Almost surely, 2^33121223132 is an apocalyptic number.

It is an amenable number.

33121223132 is a deficient number, since it is larger than the sum of its proper divisors (24842853388).

33121223132 is a wasteful number, since it uses less digits than its factorization.

33121223132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276580 (or 276578 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

Adding to 33121223132 its reverse (23132212133), we get a palindrome (56253435265).

The spelling of 33121223132 in words is "thirty-three billion, one hundred twenty-one million, two hundred twenty-three thousand, one hundred thirty-two".