1210100100112 has 40 divisors (see below), whose sum is σ = 2351776351680. Its totient is φ = 603191049600.

The previous prime is 1210100100103. The next prime is 1210100100197. The reversal of 1210100100112 is 2110010010121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21230083 + ... + 21287005.

It is an arithmetic number, because the mean of its divisors is an integer number (58794408792).

Almost surely, 2^{1210100100112} is an apocalyptic number.

It is an amenable number.

1210100100112 is a deficient number, since it is larger than the sum of its proper divisors (1141676251568).

1210100100112 is a wasteful number, since it uses less digits than its factorization.

1210100100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60991 (or 60985 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1210100100112 its reverse (2110010010121), we get a palindrome (3320110110233).

The spelling of 1210100100112 in words is "one trillion, two hundred ten billion, one hundred million, one hundred thousand, one hundred twelve".