1228975849152 has 84 divisors (see below), whose sum is σ = 3522789907416. Its totient is φ = 409640878080.

The previous prime is 1228975849141. The next prime is 1228975849159. The reversal of 1228975849152 is 2519485798221.

1228975849152 is a `hidden beast` number, since 1 + 2 + 2 + 8 + 97 + 5 + 8 + 491 + 52 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1228975849152.

It is not an unprimeable number, because it can be changed into a prime (1228975849159) 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 11 ways as a sum of consecutive naturals, for example, 26298127 + ... + 26344817.

Almost surely, 2^{1228975849152} is an apocalyptic number.

1228975849152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1228975849152 is an abundant number, since it is smaller than the sum of its proper divisors (2293814058264).

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

1228975849152 is a wasteful number, since it uses less digits than its factorization.

1228975849152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92406 (or 92393 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 63.

The spelling of 1228975849152 in words is "one trillion, two hundred twenty-eight billion, nine hundred seventy-five million, eight hundred forty-nine thousand, one hundred fifty-two".