3213102100212 has 36 divisors (see below), whose sum is σ = 8122088310336. Its totient is φ = 1071023454480.

The previous prime is 3213102100193. The next prime is 3213102100217. The reversal of 3213102100212 is 2120012013123.

3213102100212 is a `hidden beast` number, since 321 + 31 + 0 + 2 + 100 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213102100217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3818287 + ... + 4583177.

It is an arithmetic number, because the mean of its divisors is an integer number (225613564176).

Almost surely, 2^{3213102100212} is an apocalyptic number.

It is an amenable number.

3213102100212 is an abundant number, since it is smaller than the sum of its proper divisors (4908986210124).

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

3213102100212 is a wasteful number, since it uses less digits than its factorization.

3213102100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881588 (or 881583 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 3213102100212 its reverse (2120012013123), we get a palindrome (5333114113335).

The spelling of 3213102100212 in words is "three trillion, two hundred thirteen billion, one hundred two million, one hundred thousand, two hundred twelve".