1226384839680 has 2112 divisors, whose sum is σ = 5507530205184. Its totient is φ = 224899891200.

The previous prime is 1226384839663. The next prime is 1226384839703. The reversal of 1226384839680 is 869384836221.

It is a tau number, because it is divible by the number of its divisors (2112).

It is a Smith number, since the sum of its digits (60) 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 (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 14775720919 + ... + 14775721001.

Almost surely, 2^{1226384839680} is an apocalyptic number.

1226384839680 is a gapful number since it is divisible by the number (10) 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 1226384839680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2753765102592).

1226384839680 is an abundant number, since it is smaller than the sum of its proper divisors (4281145365504).

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

1226384839680 is a wasteful number, since it uses less digits than its factorization.

1226384839680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 60.

The spelling of 1226384839680 in words is "one trillion, two hundred twenty-six billion, three hundred eighty-four million, eight hundred thirty-nine thousand, six hundred eighty".