212002120012 has 12 divisors (see below), whose sum is σ = 373672802440. Its totient is φ = 105238462176.

The previous prime is 212002120007. The next prime is 212002120019. The reversal of 212002120012 is 210021200212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212002119974 and 212002120001.

It is not an unprimeable number, because it can be changed into a prime (212002120019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190648833 + ... + 190649944.

Almost surely, 2^212002120012 is an apocalyptic number.

It is an amenable number.

212002120012 is a deficient number, since it is larger than the sum of its proper divisors (161670682428).

212002120012 is a wasteful number, since it uses less digits than its factorization.

212002120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381298920 (or 381298918 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212002120012 its reverse (210021200212), we get a palindrome (422023320224).

The spelling of 212002120012 in words is "two hundred twelve billion, two million, one hundred twenty thousand, twelve".