1212210110122 has 32 divisors (see below), whose sum is σ = 2101945412160. Its totient is φ = 518186254080.

The previous prime is 1212210110117. The next prime is 1212210110159. The reversal of 1212210110122 is 2210110122121.

It is a junction number, because it is equal to n+sod(n) for n = 1212210110096 and 1212210110105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 791472 + ... + 1746667.

It is an arithmetic number, because the mean of its divisors is an integer number (65685794130).

Almost surely, 2^{1212210110122} is an apocalyptic number.

1212210110122 is a deficient number, since it is larger than the sum of its proper divisors (889735302038).

1212210110122 is a wasteful number, since it uses less digits than its factorization.

1212210110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539446.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1212210110122 its reverse (2210110122121), we get a palindrome (3422320232243).

It can be divided in two parts, 121 and 2210110122, that multiplied together give a palindrome (267423324762).

The spelling of 1212210110122 in words is "one trillion, two hundred twelve billion, two hundred ten million, one hundred ten thousand, one hundred twenty-two".