2210012212122 has 72 divisors (see below), whose sum is σ = 5656394978208. Its totient is φ = 618185224800.

The previous prime is 2210012212097. The next prime is 2210012212129. The reversal of 2210012212122 is 2212122100122.

It is a happy number.

2210012212122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2210012212095 and 2210012212104.

It is not an unprimeable number, because it can be changed into a prime (2210012212129) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32989254 + ... + 33056177.

It is an arithmetic number, because the mean of its divisors is an integer number (78561041364).

Almost surely, 2^{2210012212122} is an apocalyptic number.

2210012212122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2210012212122 is an abundant number, since it is smaller than the sum of its proper divisors (3446382766086).

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

2210012212122 is a wasteful number, since it uses less digits than its factorization.

2210012212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66045476 (or 66045460 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2210012212122 its reverse (2212122100122), we get a palindrome (4422134312244).

The spelling of 2210012212122 in words is "two trillion, two hundred ten billion, twelve million, two hundred twelve thousand, one hundred twenty-two".