212210212012 has 24 divisors (see below), whose sum is σ = 372957806592. Its totient is φ = 105651090000.

The previous prime is 212210212009. The next prime is 212210212031. The reversal of 212210212012 is 210212012212.

It is a happy 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, 3567837 + ... + 3626827.

It is an arithmetic number, because the mean of its divisors is an integer number (15539908608).

Almost surely, 2^212210212012 is an apocalyptic number.

It is an amenable number.

212210212012 is a deficient number, since it is larger than the sum of its proper divisors (160747594580).

212210212012 is a wasteful number, since it uses less digits than its factorization.

212210212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62829 (or 62827 counting only the distinct ones).

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

Adding to 212210212012 its reverse (210212012212), we get a palindrome (422422224224).

It can be divided in two parts, 212 and 210212012, that multiplied together give a palindrome (44564946544).

The spelling of 212210212012 in words is "two hundred twelve billion, two hundred ten million, two hundred twelve thousand, twelve".