212222010000000 has 4096 divisors, whose sum is σ = 976749499514880. Its totient is φ = 39398400000000.

The previous prime is 212222009999981. The next prime is 212222010000017. The reversal of 212222010000000 is 10222212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 1111109999905 + ... + 1111110000095.

It is an arithmetic number, because the mean of its divisors is an integer number (238464233280).

Almost surely, 2^{212222010000000} is an apocalyptic number.

212222010000000 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 212222010000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488374749757440).

212222010000000 is an abundant number, since it is smaller than the sum of its proper divisors (764527489514880).

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

212222010000000 is an equidigital number, since it uses as much as digits as its factorization.

212222010000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 212222010000000 its reverse (10222212), we get a palindrome (212222020222212).

The spelling of 212222010000000 in words is "two hundred twelve trillion, two hundred twenty-two billion, ten million", and thus it is an aban number.