1212448010828 has 24 divisors (see below), whose sum is σ = 2146758180000. Its totient is φ = 599129422848.

The previous prime is 1212448010821. The next prime is 1212448010849. The reversal of 1212448010828 is 8280108442121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1212448010821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4992725 + ... + 5229932.

It is an arithmetic number, because the mean of its divisors is an integer number (89448257500).

Almost surely, 2^{1212448010828} is an apocalyptic number.

It is an amenable number.

1212448010828 is a deficient number, since it is larger than the sum of its proper divisors (934310169172).

1212448010828 is a wasteful number, since it uses less digits than its factorization.

1212448010828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223009 (or 10223007 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 41.

The spelling of 1212448010828 in words is "one trillion, two hundred twelve billion, four hundred forty-eight million, ten thousand, eight hundred twenty-eight".