997552000012 has 24 divisors (see below), whose sum is σ = 1805953786560.
Its totient is φ = 481565978880.
The previous prime is 997551999973. The next prime is 997552000037. The reversal of 997552000012 is 210000255799.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 7927773 + ... + 8052619.
It is an arithmetic number, because the mean of its divisors is an integer number (75248074440).
Almost surely, 2997552000012 is an apocalyptic number.
997552000012 is the 499388-th decagonal number.
It is an amenable number.
997552000012 is a deficient number, since it is larger than the sum of its proper divisors (808401786548).
997552000012 is a wasteful number, since it uses less digits than its factorization.
997552000012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 193761 (or 193759 counting only the distinct ones).
The product of its (nonzero) digits is 56700, while the sum is 40.
The spelling of 997552000012 in words is "nine hundred ninety-seven billion, five hundred fifty-two million, twelve", and thus it is an aban number.