921212100212002 has 16 divisors (see below), whose sum is σ = 1394858596616640. Its totient is φ = 456260014043568.

The previous prime is 921212100211979. The next prime is 921212100212051. The reversal of 921212100212002 is 200212001212129.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192472977 + ... + 197201092.

It is an arithmetic number, because the mean of its divisors is an integer number (87178662288540).

Almost surely, 2^{921212100212002} is an apocalyptic number.

921212100212002 is a deficient number, since it is larger than the sum of its proper divisors (473646496404638).

921212100212002 is a wasteful number, since it uses less digits than its factorization.

921212100212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389685225.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 921212100212002 in words is "nine hundred twenty-one trillion, two hundred twelve billion, one hundred million, two hundred twelve thousand, two".