22010000201212 has 12 divisors (see below), whose sum is σ = 39170339341560. Its totient is φ = 10818474675056.

The previous prime is 22010000201129. The next prime is 22010000201219. The reversal of 22010000201212 is 21210200001022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22010000201192 and 22010000201201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010000201219) 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, 46631356123 + ... + 46631356594.

It is an arithmetic number, because the mean of its divisors is an integer number (3264194945130).

Almost surely, 2^{22010000201212} is an apocalyptic number.

It is an amenable number.

22010000201212 is a deficient number, since it is larger than the sum of its proper divisors (17160339140348).

22010000201212 is a wasteful number, since it uses less digits than its factorization.

22010000201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93262712780 (or 93262712778 counting only the distinct ones).

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

Adding to 22010000201212 its reverse (21210200001022), we get a palindrome (43220200202234).

The spelling of 22010000201212 in words is "twenty-two trillion, ten billion, two hundred one thousand, two hundred twelve".