121212020002 has 16 divisors (see below), whose sum is σ = 181968209280. Its totient is φ = 60555975408.

The previous prime is 121212019997. The next prime is 121212020011. The reversal of 121212020002 is 200020212121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23356824 + ... + 23362012.

It is an arithmetic number, because the mean of its divisors is an integer number (11373013080).

Almost surely, 2^121212020002 is an apocalyptic number.

121212020002 is a deficient number, since it is larger than the sum of its proper divisors (60756189278).

121212020002 is a wasteful number, since it uses less digits than its factorization.

121212020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12585.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121212020002 its reverse (200020212121), we get a palindrome (321232232123).

The spelling of 121212020002 in words is "one hundred twenty-one billion, two hundred twelve million, twenty thousand, two".