212100010001212 has 12 divisors (see below), whose sum is σ = 371200738275136. Its totient is φ = 106042656208320.

The previous prime is 212100010001177. The next prime is 212100010001329.

212100010001212 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 212100010001192 and 212100010001201.

It is a congruent number.

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, 1837133133 + ... + 1837248580.

Almost surely, 2^{212100010001212} is an apocalyptic number.

It is an amenable number.

212100010001212 is a deficient number, since it is larger than the sum of its proper divisors (159100728273924).

212100010001212 is a wasteful number, since it uses less digits than its factorization.

212100010001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674396148 (or 3674396146 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The spelling of 212100010001212 in words is "two hundred twelve trillion, one hundred billion, ten million, one thousand, two hundred twelve".