20121212102 has 8 divisors (see below), whose sum is σ = 30222996096. Its totient is φ = 10046880072.

The previous prime is 20121212099. The next prime is 20121212117.

20121212102 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6861158 + ... + 6864089.

It is an arithmetic number, because the mean of its divisors is an integer number (3777874512).

Almost surely, 2^20121212102 is an apocalyptic number.

20121212102 is a deficient number, since it is larger than the sum of its proper divisors (10101783994).

20121212102 is a wasteful number, since it uses less digits than its factorization.

20121212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13725982.

The product of its (nonzero) digits is 32, while the sum is 14.

The spelling of 20121212102 in words is "twenty billion, one hundred twenty-one million, two hundred twelve thousand, one hundred two".