210102000020012 has 12 divisors (see below), whose sum is σ = 368769534162120. Its totient is φ = 104739275973696.

The previous prime is 210102000019997. The next prime is 210102000020021. The reversal of 210102000020012 is 210020000201012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210102000019975 and 210102000020002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77931007562 + ... + 77931010257.

It is an arithmetic number, because the mean of its divisors is an integer number (30730794513510).

Almost surely, 2^{210102000020012} is an apocalyptic number.

It is an amenable number.

210102000020012 is a deficient number, since it is larger than the sum of its proper divisors (158667534142108).

210102000020012 is a wasteful number, since it uses less digits than its factorization.

210102000020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155862018160 (or 155862018158 counting only the distinct ones).

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

Adding to 210102000020012 its reverse (210020000201012), we get a palindrome (420122000221024).

The spelling of 210102000020012 in words is "two hundred ten trillion, one hundred two billion, twenty thousand, twelve".