1212301123222 has 8 divisors (see below), whose sum is σ = 2078230496976. Its totient is φ = 519557624232.

The previous prime is 1212301123213. The next prime is 1212301123223. The reversal of 1212301123222 is 2223211032121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1212301123222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212301123193 and 1212301123202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212301123223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43296468673 + ... + 43296468700.

It is an arithmetic number, because the mean of its divisors is an integer number (259778812122).

Almost surely, 2^{1212301123222} is an apocalyptic number.

1212301123222 is a deficient number, since it is larger than the sum of its proper divisors (865929373754).

1212301123222 is an equidigital number, since it uses as much as digits as its factorization.

1212301123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86592937382.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1212301123222 its reverse (2223211032121), we get a palindrome (3435512155343).

The spelling of 1212301123222 in words is "one trillion, two hundred twelve billion, three hundred one million, one hundred twenty-three thousand, two hundred twenty-two".