121212002102 has 8 divisors (see below), whose sum is σ = 191387371800. Its totient is φ = 57416211504.

The previous prime is 121212002099. The next prime is 121212002113. The reversal of 121212002102 is 201200212121.

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, 1594894727 + ... + 1594894802.

It is an arithmetic number, because the mean of its divisors is an integer number (23923421475).

Almost surely, 2^121212002102 is an apocalyptic number.

121212002102 is a deficient number, since it is larger than the sum of its proper divisors (70175369698).

121212002102 is a wasteful number, since it uses less digits than its factorization.

121212002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189789550.

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

Adding to 121212002102 its reverse (201200212121), we get a palindrome (322412214223).

The spelling of 121212002102 in words is "one hundred twenty-one billion, two hundred twelve million, two thousand, one hundred two".