212001200002106 has 16 divisors (see below), whose sum is σ = 320920282168200. Its totient is φ = 105027778882368.

The previous prime is 212001200002087. The next prime is 212001200002121. The reversal of 212001200002106 is 601200002100212.

It can be written as a sum of positive squares in 4 ways, for example, as 209559353107225 + 2441846894881 = 14476165^2 + 1562641^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74712956 + ... + 77498568.

Almost surely, 2^{212001200002106} is an apocalyptic number.

212001200002106 is a deficient number, since it is larger than the sum of its proper divisors (108919082166094).

212001200002106 is a wasteful number, since it uses less digits than its factorization.

212001200002106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134833.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212001200002106 its reverse (601200002100212), we get a palindrome (813201202102318).

The spelling of 212001200002106 in words is "two hundred twelve trillion, one billion, two hundred million, two thousand, one hundred six".