1247063000000 has 98 divisors (see below), whose sum is σ = 3093263686968. Its totient is φ = 498824800000.

The previous prime is 1247062999951. The next prime is 1247063000009. The reversal of 1247063000000 is 3607421.

It is a super-2 number, since 2×1247063000000² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1247063000000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1247063000009) by changing a digit.

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 13 ways as a sum of consecutive naturals, for example, 376469 + ... + 1623531.

Almost surely, 2^{1247063000000} is an apocalyptic number.

1247063000000 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 1247063000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1546631843484).

1247063000000 is an abundant number, since it is smaller than the sum of its proper divisors (1846200686968).

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

1247063000000 is an frugal number, since it uses more digits than its factorization.

1247063000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247105 (or 1247070 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 1247063000000 its reverse (3607421), we get a palindrome (1247066607421).

The spelling of 1247063000000 in words is "one trillion, two hundred forty-seven billion, sixty-three million", and thus it is an aban number.