1210123120222 has 16 divisors (see below), whose sum is σ = 1917985829760. Its totient is φ = 571036680792.

The previous prime is 1210123120189. The next prime is 1210123120223. The reversal of 1210123120222 is 2220213210121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1210123120222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210123120223) 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, 60532488 + ... + 60552475.

It is an arithmetic number, because the mean of its divisors is an integer number (119874114360).

Almost surely, 2^{1210123120222} is an apocalyptic number.

1210123120222 is a deficient number, since it is larger than the sum of its proper divisors (707862709538).

1210123120222 is a wasteful number, since it uses less digits than its factorization.

1210123120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121085247.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1210123120222 its reverse (2220213210121), we get a palindrome (3430336330343).

The spelling of 1210123120222 in words is "one trillion, two hundred ten billion, one hundred twenty-three million, one hundred twenty thousand, two hundred twenty-two".