212011121212102 has 8 divisors (see below), whose sum is σ = 318016805992200. Its totient is φ = 106005519214704.

The previous prime is 212011121212043. The next prime is 212011121212109. The reversal of 212011121212102 is 201212121110212.

It is a happy number.

212011121212102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×212011121212102² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212011121212102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011121212109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13838652 + ... + 24809887.

It is an arithmetic number, because the mean of its divisors is an integer number (39752100749025).

Almost surely, 2^{212011121212102} is an apocalyptic number.

212011121212102 is a deficient number, since it is larger than the sum of its proper divisors (106005684780098).

212011121212102 is a wasteful number, since it uses less digits than its factorization.

212011121212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41391350.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212011121212102 its reverse (201212121110212), we get a palindrome (413223242322314).

The spelling of 212011121212102 in words is "two hundred twelve trillion, eleven billion, one hundred twenty-one million, two hundred twelve thousand, one hundred two".