1206678147072 has 208 divisors, whose sum is σ = 3363001804800. Its totient is φ = 384085098496.

The previous prime is 1206678147013. The next prime is 1206678147137. The reversal of 1206678147072 is 2707418766021.

It is a super-2 number, since 2×1206678147072² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182854429 + ... + 182861027.

Almost surely, 2^{1206678147072} is an apocalyptic number.

1206678147072 is a gapful number since it is divisible by the number (12) 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 1206678147072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681500902400).

1206678147072 is an abundant number, since it is smaller than the sum of its proper divisors (2156323657728).

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

1206678147072 is an equidigital number, since it uses as much as digits as its factorization.

1206678147072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7296 (or 7274 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 51.

The spelling of 1206678147072 in words is "one trillion, two hundred six billion, six hundred seventy-eight million, one hundred forty-seven thousand, seventy-two".