32121124452 has 30 divisors (see below), whose sum is σ = 83970965078. Its totient is φ = 10707041376.

The previous prime is 32121124447. The next prime is 32121124457. The reversal of 32121124452 is 25442112123.

32121124452 is a `hidden beast` number, since 3 + 2 + 1 + 211 + 2 + 445 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (32121124447) and next prime (32121124457).

It can be written as a sum of positive squares in only one way, i.e., 18650272356 + 13470852096 = 136566^2 + 116064^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (32121124457) 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 9 ways as a sum of consecutive naturals, for example, 49569313 + ... + 49569960.

Almost surely, 2^32121124452 is an apocalyptic number.

It is an amenable number.

32121124452 is an abundant number, since it is smaller than the sum of its proper divisors (51849840626).

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

32121124452 is a wasteful number, since it uses less digits than its factorization.

32121124452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99139289 (or 99139278 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

Adding to 32121124452 its reverse (25442112123), we get a palindrome (57563236575).

The spelling of 32121124452 in words is "thirty-two billion, one hundred twenty-one million, one hundred twenty-four thousand, four hundred fifty-two".