222120101010012 has 48 divisors (see below), whose sum is σ = 524936478743040. Its totient is φ = 73089483712128.

The previous prime is 222120101009981. The next prime is 222120101010013. The reversal of 222120101010012 is 210010101021222.

It is a junction number, because it is equal to n+sod(n) for n = 222120101009973 and 222120101010000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120101010013) 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, 16168513 + ... + 26564280.

It is an arithmetic number, because the mean of its divisors is an integer number (10936176640480).

Almost surely, 2^{222120101010012} is an apocalyptic number.

It is an amenable number.

222120101010012 is an abundant number, since it is smaller than the sum of its proper divisors (302816377733028).

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

222120101010012 is a wasteful number, since it uses less digits than its factorization.

222120101010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42738362 (or 42738360 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222120101010012 its reverse (210010101021222), we get a palindrome (432130202031234).

The spelling of 222120101010012 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred one million, ten thousand, twelve".