121212001002102 has 32 divisors (see below), whose sum is σ = 256688887766400. Its totient is φ = 38026605491328.

The previous prime is 121212001002083. The next prime is 121212001002133. The reversal of 121212001002102 is 201200100212121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5092452 + ... + 16381607.

It is an arithmetic number, because the mean of its divisors is an integer number (8021527742700).

Almost surely, 2^{121212001002102} is an apocalyptic number.

121212001002102 is an abundant number, since it is smaller than the sum of its proper divisors (135476886764298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121212001002102 is a wasteful number, since it uses less digits than its factorization.

121212001002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21529420.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121212001002102 its reverse (201200100212121), we get a palindrome (322412101214223).

The spelling of 121212001002102 in words is "one hundred twenty-one trillion, two hundred twelve billion, one million, two thousand, one hundred two".