12101210102 has 4 divisors (see below), whose sum is σ = 18151815156. Its totient is φ = 6050605050.

The previous prime is 12101210101. The next prime is 12101210119. The reversal of 12101210102 is 20101210121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101210101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025302524 + ... + 3025302527.

It is an arithmetic number, because the mean of its divisors is an integer number (4537953789).

Almost surely, 2^12101210102 is an apocalyptic number.

12101210102 is a deficient number, since it is larger than the sum of its proper divisors (6050605054).

12101210102 is an equidigital number, since it uses as much as digits as its factorization.

12101210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050605053.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12101210102 its reverse (20101210121), we get a palindrome (32202420223).

The spelling of 12101210102 in words is "twelve billion, one hundred one million, two hundred ten thousand, one hundred two".