212223121110120 has 32 divisors (see below), whose sum is σ = 636669363330720. Its totient is φ = 56592832296000.

The previous prime is 212223121110107. The next prime is 212223121110127. The reversal of 212223121110120 is 21011121322212.

It is a super-2 number, since 2×212223121110120² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212223121110127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884263004506 + ... + 884263004745.

It is an arithmetic number, because the mean of its divisors is an integer number (19895917604085).

Almost surely, 2^{212223121110120} is an apocalyptic number.

212223121110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212223121110120 is an abundant number, since it is smaller than the sum of its proper divisors (424446242220600).

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

212223121110120 is a wasteful number, since it uses less digits than its factorization.

212223121110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768526009265 (or 1768526009261 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 212223121110120 its reverse (21011121322212), we get a palindrome (233234242432332).

The spelling of 212223121110120 in words is "two hundred twelve trillion, two hundred twenty-three billion, one hundred twenty-one million, one hundred ten thousand, one hundred twenty".