222121210010012 has 24 divisors (see below), whose sum is σ = 396449204318496. Its totient is φ = 108854272225088.

The previous prime is 222121210009997. The next prime is 222121210010039. The reversal of 222121210010012 is 210010012121222.

222121210010012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 532722203 + ... + 533138994.

It is an arithmetic number, because the mean of its divisors is an integer number (16518716846604).

Almost surely, 2^{222121210010012} is an apocalyptic number.

It is an amenable number.

222121210010012 is a deficient number, since it is larger than the sum of its proper divisors (174327994308484).

222121210010012 is a wasteful number, since it uses less digits than its factorization.

222121210010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065862237 (or 1065862235 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222121210010012 its reverse (210010012121222), we get a palindrome (432131222131234).

The spelling of 222121210010012 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, two hundred ten million, ten thousand, twelve".