1225244887008 has 48 divisors (see below), whose sum is σ = 3234037309776. Its totient is φ = 406158520320.

The previous prime is 1225244887007. The next prime is 1225244887073. The reversal of 1225244887008 is 8007884425221.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225244887007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35239441 + ... + 35274192.

It is an arithmetic number, because the mean of its divisors is an integer number (67375777287).

Almost surely, 2^{1225244887008} is an apocalyptic number.

It is an amenable number.

1225244887008 is an abundant number, since it is smaller than the sum of its proper divisors (2008792422768).

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

1225244887008 is a wasteful number, since it uses less digits than its factorization.

1225244887008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70513827 (or 70513819 counting only the distinct ones).

The product of its (nonzero) digits is 2293760, while the sum is 51.

The spelling of 1225244887008 in words is "one trillion, two hundred twenty-five billion, two hundred forty-four million, eight hundred eighty-seven thousand, eight".