10212222201212 has 12 divisors (see below), whose sum is σ = 17872765465296. Its totient is φ = 5105717782560.

The previous prime is 10212222201173. The next prime is 10212222201217. The reversal of 10212222201212 is 21210222221201.

It is a super-2 number, since 2×10212222201212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212222201217) 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, 98271089 + ... + 98374952.

It is an arithmetic number, because the mean of its divisors is an integer number (1489397122108).

Almost surely, 2^{10212222201212} is an apocalyptic number.

It is an amenable number.

10212222201212 is a deficient number, since it is larger than the sum of its proper divisors (7660543264084).

10212222201212 is a wasteful number, since it uses less digits than its factorization.

10212222201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196659028 (or 196659026 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10212222201212 its reverse (21210222221201), we get a palindrome (31422444422413).

The spelling of 10212222201212 in words is "ten trillion, two hundred twelve billion, two hundred twenty-two million, two hundred one thousand, two hundred twelve".