1673215980312 has 32 divisors (see below), whose sum is σ = 4183120796400. Its totient is φ = 557727880704.

The previous prime is 1673215980307. The next prime is 1673215980313. The reversal of 1673215980312 is 2130895123761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673215980313) 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 7 ways as a sum of consecutive naturals, for example, 646764 + ... + 1940292.

Almost surely, 2^{1673215980312} is an apocalyptic number.

1673215980312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is a pronic number, being equal to 1293528×1293529.

It is an amenable number.

1673215980312 is an abundant number, since it is smaller than the sum of its proper divisors (2509904816088).

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

1673215980312 is a wasteful number, since it uses less digits than its factorization.

1673215980312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347435 (or 1347431 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 1673215980312 in words is "one trillion, six hundred seventy-three billion, two hundred fifteen million, nine hundred eighty thousand, three hundred twelve".