1222120102 has 16 divisors (see below), whose sum is σ = 2095909920. Its totient is φ = 523554048.

The previous prime is 1222120073. The next prime is 1222120129. The reversal of 1222120102 is 2010212221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21174 + ... + 53782.

It is an arithmetic number, because the mean of its divisors is an integer number (130994370).

Almost surely, 2^1222120102 is an apocalyptic number.

1222120102 is a deficient number, since it is larger than the sum of its proper divisors (873789818).

1222120102 is a wasteful number, since it uses less digits than its factorization.

1222120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35295.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1222120102 is about 34958.8343913237. The cubic root of 1222120102 is about 1069.1483315221.

Adding to 1222120102 its reverse (2010212221), we get a palindrome (3232332323).

It can be divided in two parts, 12221 and 20102, that multiplied together give a palindrome (245666542).

The spelling of 1222120102 in words is "one billion, two hundred twenty-two million, one hundred twenty thousand, one hundred two".