121012012102 has 8 divisors (see below), whose sum is σ = 181780709112. Its totient is φ = 60418442400.

The previous prime is 121012012061. The next prime is 121012012117. The reversal of 121012012102 is 201210210121.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43780099 + ... + 43782862.

It is an arithmetic number, because the mean of its divisors is an integer number (22722588639).

Almost surely, 2^121012012102 is an apocalyptic number.

121012012102 is a deficient number, since it is larger than the sum of its proper divisors (60768697010).

121012012102 is an equidigital number, since it uses as much as digits as its factorization.

121012012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87563654.

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

Adding to 121012012102 its reverse (201210210121), we get a palindrome (322222222223).

The spelling of 121012012102 in words is "one hundred twenty-one billion, twelve million, twelve thousand, one hundred two".