201210212122000 has 80 divisors (see below), whose sum is σ = 487501297920000. Its totient is φ = 80322793699200.

The previous prime is 201210212121991. The next prime is 201210212122013. The reversal of 201210212122000 is 221212012102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99808720 + ... + 101804719.

It is an arithmetic number, because the mean of its divisors is an integer number (6093766224000).

Almost surely, 2^{201210212122000} is an apocalyptic number.

201210212122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201210212122000 is an abundant number, since it is smaller than the sum of its proper divisors (286291085798000).

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

201210212122000 is a wasteful number, since it uses less digits than its factorization.

201210212122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201613961 (or 201613945 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201210212122000 its reverse (221212012102), we get a palindrome (201431424134102).

The spelling of 201210212122000 in words is "two hundred one trillion, two hundred ten billion, two hundred twelve million, one hundred twenty-two thousand".