1210000012102 has 24 divisors (see below), whose sum is σ = 2112004009440. Its totient is φ = 518405040720.

The previous prime is 1210000012033. The next prime is 1210000012103. The reversal of 1210000012102 is 2012100000121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210000012103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1673649 + ... + 2284972.

It is an arithmetic number, because the mean of its divisors is an integer number (88000167060).

Almost surely, 2^{1210000012102} is an apocalyptic number.

1210000012102 is a deficient number, since it is larger than the sum of its proper divisors (902003997338).

1210000012102 is a wasteful number, since it uses less digits than its factorization.

1210000012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961756 (or 3961749 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1210000012102 its reverse (2012100000121), we get a palindrome (3222100012223).

The spelling of 1210000012102 in words is "one trillion, two hundred ten billion, twelve thousand, one hundred two".