1212882528 has 192 divisors, whose sum is σ = 3813288192. Its totient is φ = 332666880.

The previous prime is 1212882523. The next prime is 1212882589. The reversal of 1212882528 is 8252882121.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212882521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 726751 + ... + 728417.

It is an arithmetic number, because the mean of its divisors is an integer number (19860876).

Almost surely, 2^1212882528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212882528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1906644096).

1212882528 is an abundant number, since it is smaller than the sum of its proper divisors (2600405664).

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

1212882528 is a wasteful number, since it uses less digits than its factorization.

1212882528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757 (or 1749 counting only the distinct ones).

The product of its digits is 40960, while the sum is 39.

The square root of 1212882528 is about 34826.4630417733. The cubic root of 1212882528 is about 1066.4477443076.

The spelling of 1212882528 in words is "one billion, two hundred twelve million, eight hundred eighty-two thousand, five hundred twenty-eight".