12121210102 has 8 divisors (see below), whose sum is σ = 18430881336. Its totient is φ = 5977582992.

The previous prime is 12121210093. The next prime is 12121210109. The reversal of 12121210102 is 20101212121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121210109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41510848 + ... + 41511139.

It is an arithmetic number, because the mean of its divisors is an integer number (2303860167).

Almost surely, 2^12121210102 is an apocalyptic number.

12121210102 is a deficient number, since it is larger than the sum of its proper divisors (6309671234).

12121210102 is an equidigital number, since it uses as much as digits as its factorization.

12121210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83022062.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12121210102 its reverse (20101212121), we get a palindrome (32222422223).

The spelling of 12121210102 in words is "twelve billion, one hundred twenty-one million, two hundred ten thousand, one hundred two".