222201110001212 has 12 divisors (see below), whose sum is σ = 392860725415200. Its totient is φ = 109955188454016.

The previous prime is 222201110001203. The next prime is 222201110001217. The reversal of 222201110001212 is 212100011102222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222201110001217) 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, 286341636212 + ... + 286341636987.

It is an arithmetic number, because the mean of its divisors is an integer number (32738393784600).

Almost surely, 2^{222201110001212} is an apocalyptic number.

It is an amenable number.

222201110001212 is a deficient number, since it is larger than the sum of its proper divisors (170659615413988).

222201110001212 is a wasteful number, since it uses less digits than its factorization.

222201110001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572683273300 (or 572683273298 counting only the distinct ones).

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

Adding to 222201110001212 its reverse (212100011102222), we get a palindrome (434301121103434).

The spelling of 222201110001212 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred ten million, one thousand, two hundred twelve".