1219882821696 has 896 divisors, whose sum is σ = 4692215070720. Its totient is φ = 301345228800.

The previous prime is 1219882821643. The next prime is 1219882821739. The reversal of 1219882821696 is 6961282889121.

1219882821696 is a `hidden beast` number, since 1 + 2 + 198 + 8 + 282 + 169 + 6 = 666.

It is a super-2 number, since 2×1219882821696² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 584513965 + ... + 584516051.

Almost surely, 2^{1219882821696} is an apocalyptic number.

1219882821696 is a gapful number since it is divisible by the number (16) 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 1219882821696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2346107535360).

1219882821696 is an abundant number, since it is smaller than the sum of its proper divisors (3472332249024).

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

1219882821696 is a wasteful number, since it uses less digits than its factorization.

1219882821696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340 (or 2324 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 63.

The spelling of 1219882821696 in words is "one trillion, two hundred nineteen billion, eight hundred eighty-two million, eight hundred twenty-one thousand, six hundred ninety-six".