1248138580612 has 24 divisors (see below), whose sum is σ = 2723211449280. Its totient is φ = 486287758560.

The previous prime is 1248138580597. The next prime is 1248138580643. The reversal of 1248138580612 is 2160858318421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2026198687 + ... + 2026199302.

It is an arithmetic number, because the mean of its divisors is an integer number (113467143720).

Almost surely, 2^{1248138580612} is an apocalyptic number.

It is an amenable number.

1248138580612 is an abundant number, since it is smaller than the sum of its proper divisors (1475072868668).

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

1248138580612 is a wasteful number, since it uses less digits than its factorization.

1248138580612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4052398011 (or 4052398009 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 49.

The spelling of 1248138580612 in words is "one trillion, two hundred forty-eight billion, one hundred thirty-eight million, five hundred eighty thousand, six hundred twelve".