1210002121112 has 16 divisors (see below), whose sum is σ = 2269206807000. Its totient is φ = 604880305920.

The previous prime is 1210002121067. The next prime is 1210002121169. The reversal of 1210002121112 is 2111212000121.

It is a super-2 number, since 2×1210002121112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15051737 + ... + 15131912.

Almost surely, 2^{1210002121112} is an apocalyptic number.

It is an amenable number.

1210002121112 is a deficient number, since it is larger than the sum of its proper divisors (1059204685888).

1210002121112 is a wasteful number, since it uses less digits than its factorization.

1210002121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30188666 (or 30188662 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1210002121112 its reverse (2111212000121), we get a palindrome (3321214121233).

The spelling of 1210002121112 in words is "one trillion, two hundred ten billion, two million, one hundred twenty-one thousand, one hundred twelve".