2210123212 has 12 divisors (see below), whose sum is σ = 4219326216. Its totient is φ = 1004601440.

The previous prime is 2210123191. The next prime is 2210123219. The reversal of 2210123212 is 2123210122.

It is a happy number.

It is a super-2 number, since 2×2210123212² = 9769289224442393888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2210123219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25114993 + ... + 25115080.

It is an arithmetic number, because the mean of its divisors is an integer number (351610518).

Almost surely, 2^2210123212 is an apocalyptic number.

2210123212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2210123212 is a deficient number, since it is larger than the sum of its proper divisors (2009203004).

2210123212 is a wasteful number, since it uses less digits than its factorization.

2210123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50230088 (or 50230086 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2210123212 is about 47011.9475452783. The cubic root of 2210123212 is about 1302.5832680460.

Adding to 2210123212 its reverse (2123210122), we get a palindrome (4333333334).

The spelling of 2210123212 in words is "two billion, two hundred ten million, one hundred twenty-three thousand, two hundred twelve".