1228973293332 has 36 divisors (see below), whose sum is σ = 3113281080000. Its totient is φ = 408772968912.

The previous prime is 1228973293319. The next prime is 1228973293333. The reversal of 1228973293332 is 2333923798221.

1228973293332 is a `hidden beast` number, since 1 + 2 + 289 + 7 + 3 + 29 + 3 + 332 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228973293333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36849582 + ... + 36882917.

It is an arithmetic number, because the mean of its divisors is an integer number (86480030000).

Almost surely, 2^{1228973293332} is an apocalyptic number.

1228973293332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1228973293332 is an abundant number, since it is smaller than the sum of its proper divisors (1884307786668).

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

1228973293332 is a wasteful number, since it uses less digits than its factorization.

1228973293332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73732972 (or 73732967 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The spelling of 1228973293332 in words is "one trillion, two hundred twenty-eight billion, nine hundred seventy-three million, two hundred ninety-three thousand, three hundred thirty-two".