212001210102 has 32 divisors (see below), whose sum is σ = 473829761664. Its totient is φ = 62675892800.

The previous prime is 212001210067. The next prime is 212001210121. The reversal of 212001210102 is 201012100212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39169728 + ... + 39175139.

It is an arithmetic number, because the mean of its divisors is an integer number (14807180052).

Almost surely, 2^212001210102 is an apocalyptic number.

212001210102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212001210102 is an abundant number, since it is smaller than the sum of its proper divisors (261828551562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212001210102 is a wasteful number, since it uses less digits than its factorization.

212001210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78344924.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212001210102 its reverse (201012100212), we get a palindrome (413013310314).

The spelling of 212001210102 in words is "two hundred twelve billion, one million, two hundred ten thousand, one hundred two".