1242857383196 has 72 divisors (see below), whose sum is σ = 2696810531184. Its totient is φ = 494032296960.

The previous prime is 1242857383189. The next prime is 1242857383247. The reversal of 1242857383196 is 6913837582421.

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, 2802965 + ... + 3215948.

It is an arithmetic number, because the mean of its divisors is an integer number (37455701822).

Almost surely, 2^{1242857383196} is an apocalyptic number.

It is an amenable number.

1242857383196 is an abundant number, since it is smaller than the sum of its proper divisors (1453953147988).

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

1242857383196 is a wasteful number, since it uses less digits than its factorization.

1242857383196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6018979 (or 6018958 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 59.

The spelling of 1242857383196 in words is "one trillion, two hundred forty-two billion, eight hundred fifty-seven million, three hundred eighty-three thousand, one hundred ninety-six".