1230247280640 has 360 divisors, whose sum is σ = 4579437803472. Its totient is φ = 281196625920.

The previous prime is 1230247280597. The next prime is 1230247280651. The reversal of 1230247280640 is 460827420321.

It is a happy number.

It is a super-2 number, since 2×1230247280640² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11991160 + ... + 12093320.

Almost surely, 2^{1230247280640} is an apocalyptic number.

1230247280640 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 1230247280640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2289718901736).

1230247280640 is an abundant number, since it is smaller than the sum of its proper divisors (3349190522832).

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

1230247280640 is an equidigital number, since it uses as much as digits as its factorization.

1230247280640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102211 (or 102178 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 1230247280640 in words is "one trillion, two hundred thirty billion, two hundred forty-seven million, two hundred eighty thousand, six hundred forty".