212012210122000 has 160 divisors (see below), whose sum is σ = 521137529063424. Its totient is φ = 83400555456000.

The previous prime is 212012210121973. The next prime is 212012210122043. The reversal of 212012210122000 is 221012210212.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 737590309 + ... + 737877691.

Almost surely, 2^{212012210122000} is an apocalyptic number.

212012210122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212012210122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260568764531712).

212012210122000 is an abundant number, since it is smaller than the sum of its proper divisors (309125318941424).

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

212012210122000 is a wasteful number, since it uses less digits than its factorization.

212012210122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293514 (or 293498 counting only the distinct ones).

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

Adding to 212012210122000 its reverse (221012210212), we get a palindrome (212233222332212).

The spelling of 212012210122000 in words is "two hundred twelve trillion, twelve billion, two hundred ten million, one hundred twenty-two thousand".