22010211001212 has 24 divisors (see below), whose sum is σ = 58693896003456. Its totient is φ = 6288631714608.

The previous prime is 22010211001211. The next prime is 22010211001223. The reversal of 22010211001212 is 21210011201022.

It is a junction number, because it is equal to n+sod(n) for n = 22010211001191 and 22010211001200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010211001211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131013160638 + ... + 131013160805.

It is an arithmetic number, because the mean of its divisors is an integer number (2445579000144).

Almost surely, 2^{22010211001212} is an apocalyptic number.

It is an amenable number.

22010211001212 is an abundant number, since it is smaller than the sum of its proper divisors (36683685002244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22010211001212 is a wasteful number, since it uses less digits than its factorization.

22010211001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262026321457 (or 262026321455 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22010211001212 its reverse (21210011201022), we get a palindrome (43220222202234).

The spelling of 22010211001212 in words is "twenty-two trillion, ten billion, two hundred eleven million, one thousand, two hundred twelve".