1212120102102 has 32 divisors (see below), whose sum is σ = 2983680252672. Its totient is φ = 319680026784.

The previous prime is 1212120102097. The next prime is 1212120102107. The reversal of 1212120102102 is 2012010212121.

It is an interprime number because it is at equal distance from previous prime (1212120102097) and next prime (1212120102107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212120102107) 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, 1109999548 + ... + 1110000639.

It is an arithmetic number, because the mean of its divisors is an integer number (93240007896).

Almost surely, 2^{1212120102102} is an apocalyptic number.

1212120102102 is an abundant number, since it is smaller than the sum of its proper divisors (1771560150570).

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

1212120102102 is a wasteful number, since it uses less digits than its factorization.

1212120102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220000212.

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

Adding to 1212120102102 its reverse (2012010212121), we get a palindrome (3224130314223).

The spelling of 1212120102102 in words is "one trillion, two hundred twelve billion, one hundred twenty million, one hundred two thousand, one hundred two".