212222201012 has 12 divisors (see below), whose sum is σ = 383369137536. Its totient is φ = 102688161720.

The previous prime is 212222201003. The next prime is 212222201017. The reversal of 212222201012 is 210102222212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222201017) 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, 855734558 + ... + 855734805.

It is an arithmetic number, because the mean of its divisors is an integer number (31947428128).

Almost surely, 2^212222201012 is an apocalyptic number.

It is an amenable number.

212222201012 is a deficient number, since it is larger than the sum of its proper divisors (171146936524).

212222201012 is a wasteful number, since it uses less digits than its factorization.

212222201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711469398 (or 1711469396 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212222201012 its reverse (210102222212), we get a palindrome (422324423224).

The spelling of 212222201012 in words is "two hundred twelve billion, two hundred twenty-two million, two hundred one thousand, twelve".