212120012000104 has 64 divisors (see below), whose sum is σ = 453521249475840. Its totient is φ = 92141259402240.

The previous prime is 212120012000069. The next prime is 212120012000123. The reversal of 212120012000104 is 401000210021212.

It is a super-3 number, since 3×212120012000104³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122886997 + ... + 124601179.

It is an arithmetic number, because the mean of its divisors is an integer number (7086269523060).

Almost surely, 2^{212120012000104} is an apocalyptic number.

It is an amenable number.

212120012000104 is an abundant number, since it is smaller than the sum of its proper divisors (241401237475736).

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

212120012000104 is a wasteful number, since it uses less digits than its factorization.

212120012000104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784210 (or 1784206 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212120012000104 its reverse (401000210021212), we get a palindrome (613120222021316).

The spelling of 212120012000104 in words is "two hundred twelve trillion, one hundred twenty billion, twelve million, one hundred four", and thus it is an aban number.