212303310001222 has 32 divisors (see below), whose sum is σ = 352450660786560. Its totient is φ = 95105733193920.

The previous prime is 212303310001157. The next prime is 212303310001229. The reversal of 212303310001222 is 222100013303212.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 212303310001193 and 212303310001202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212303310001229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141388708 + ... + 142882375.

It is an arithmetic number, because the mean of its divisors is an integer number (11014083149580).

Almost surely, 2^{212303310001222} is an apocalyptic number.

212303310001222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212303310001222 is a deficient number, since it is larger than the sum of its proper divisors (140147350785338).

212303310001222 is a wasteful number, since it uses less digits than its factorization.

212303310001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284271588.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212303310001222 its reverse (222100013303212), we get a palindrome (434403323304434).

The spelling of 212303310001222 in words is "two hundred twelve trillion, three hundred three billion, three hundred ten million, one thousand, two hundred twenty-two".