212120121021212 has 24 divisors (see below), whose sum is σ = 389296267584000. Its totient is φ = 100938960791856.

The previous prime is 212120121021101. The next prime is 212120121021227.

212120121021212 is nontrivially palindromic in base 10.

It is a congruent 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, 5793080912 + ... + 5793117527.

It is an arithmetic number, because the mean of its divisors is an integer number (16220677816000).

Almost surely, 2^{212120121021212} is an apocalyptic number.

It is an amenable number.

212120121021212 is a deficient number, since it is larger than the sum of its proper divisors (177176146562788).

212120121021212 is a wasteful number, since it uses less digits than its factorization.

212120121021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11586198665 (or 11586198663 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The spelling of 212120121021212 in words is "two hundred twelve trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, two hundred twelve".