3912274728452 has 24 divisors (see below), whose sum is σ = 7254252794880. Its totient is φ = 1839791004800.

The previous prime is 3912274728431. The next prime is 3912274728487. The reversal of 3912274728452 is 2548274722193.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19892924 + ... + 20088627.

It is an arithmetic number, because the mean of its divisors is an integer number (302260533120).

Almost surely, 2^{3912274728452} is an apocalyptic number.

It is an amenable number.

3912274728452 is a deficient number, since it is larger than the sum of its proper divisors (3341978066428).

3912274728452 is a wasteful number, since it uses less digits than its factorization.

3912274728452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39983011 (or 39983009 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 56.

The spelling of 3912274728452 in words is "three trillion, nine hundred twelve billion, two hundred seventy-four million, seven hundred twenty-eight thousand, four hundred fifty-two".