1219135230144 has 196 divisors, whose sum is σ = 3906188180496. Its totient is φ = 375118345728.

The previous prime is 1219135230121. The next prime is 1219135230191. The reversal of 1219135230144 is 4410325319121.

1219135230144 is a `hidden beast` number, since 1 + 2 + 1 + 91 + 3 + 523 + 0 + 1 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1219135230099 and 1219135230108.

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 398484 + ... + 1611539.

Almost surely, 2^{1219135230144} is an apocalyptic number.

It is an amenable number.

1219135230144 is an abundant number, since it is smaller than the sum of its proper divisors (2687052950352).

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

1219135230144 is an equidigital number, since it uses as much as digits as its factorization.

1219135230144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010066 (or 2010041 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 1219135230144 in words is "one trillion, two hundred nineteen billion, one hundred thirty-five million, two hundred thirty thousand, one hundred forty-four".