1230683139840 has 864 divisors, whose sum is σ = 5019231748608. Its totient is φ = 251493580800.

The previous prime is 1230683139799. The next prime is 1230683139893. The reversal of 1230683139840 is 489313860321.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1230683139840.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 198398179 + ... + 198404381.

Almost surely, 2^{1230683139840} is an apocalyptic number.

1230683139840 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 1230683139840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2509615874304).

1230683139840 is an abundant number, since it is smaller than the sum of its proper divisors (3788548608768).

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

1230683139840 is a wasteful number, since it uses less digits than its factorization.

1230683139840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6317 (or 6292 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 1230683139840 in words is "one trillion, two hundred thirty billion, six hundred eighty-three million, one hundred thirty-nine thousand, eight hundred forty".