200012111121212 has 24 divisors (see below), whose sum is σ = 377329366628256. Its totient is φ = 92219372284608.

The previous prime is 200012111121149. The next prime is 200012111121217. The reversal of 200012111121212 is 212121111210002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200012111121217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1956401963 + ... + 1956504194.

It is an arithmetic number, because the mean of its divisors is an integer number (15722056942844).

Almost surely, 2^{200012111121212} is an apocalyptic number.

It is an amenable number.

200012111121212 is a deficient number, since it is larger than the sum of its proper divisors (177317255507044).

200012111121212 is a wasteful number, since it uses less digits than its factorization.

200012111121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912907157 (or 3912907155 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 200012111121212 its reverse (212121111210002), we get a palindrome (412133222331214).

The spelling of 200012111121212 in words is "two hundred trillion, twelve billion, one hundred eleven million, one hundred twenty-one thousand, two hundred twelve".