1449101919312 has 280 divisors, whose sum is σ = 4259763170208. Its totient is φ = 477304876800.

The previous prime is 1449101919281. The next prime is 1449101919337. The reversal of 1449101919312 is 2139191019441.

It is a happy number.

1449101919312 is a `hidden beast` number, since 1 + 449 + 1 + 0 + 1 + 9 + 193 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 344120887 + ... + 344125097.

Almost surely, 2^{1449101919312} is an apocalyptic number.

1449101919312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1449101919312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2129881585104).

1449101919312 is an abundant number, since it is smaller than the sum of its proper divisors (2810661250896).

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

1449101919312 is a wasteful number, since it uses less digits than its factorization.

1449101919312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581 (or 4560 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The spelling of 1449101919312 in words is "one trillion, four hundred forty-nine billion, one hundred one million, nine hundred nineteen thousand, three hundred twelve".