212120102 has 8 divisors (see below), whose sum is σ = 318300312. Its totient is φ = 106020000.

The previous prime is 212120093. The next prime is 212120107. The reversal of 212120102 is 201021212.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212120107) 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, 12899 + ... + 24302.

It is an arithmetic number, because the mean of its divisors is an integer number (39787539).

Almost surely, 2^212120102 is an apocalyptic number.

212120102 is a deficient number, since it is larger than the sum of its proper divisors (106180210).

212120102 is a wasteful number, since it uses less digits than its factorization.

212120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40054.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 212120102 is about 14564.3435142131. The cubic root of 212120102 is about 596.3857745230.

Adding to 212120102 its reverse (201021212), we get a palindrome (413141314).

The spelling of 212120102 in words is "two hundred twelve million, one hundred twenty thousand, one hundred two".