921321000200012 has 24 divisors (see below), whose sum is σ = 1617788558838816. Its totient is φ = 459096290310528.

The previous prime is 921321000200011. The next prime is 921321000200057. The reversal of 921321000200012 is 210002000123129.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (921321000200011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67858163 + ... + 80295530.

It is an arithmetic number, because the mean of its divisors is an integer number (67407856618284).

Almost surely, 2^{921321000200012} is an apocalyptic number.

It is an amenable number.

921321000200012 is a deficient number, since it is larger than the sum of its proper divisors (696467558638804).

921321000200012 is a wasteful number, since it uses less digits than its factorization.

921321000200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148158977 (or 148158975 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 921321000200012 in words is "nine hundred twenty-one trillion, three hundred twenty-one billion, two hundred thousand, twelve".