22220010212012 has 48 divisors (see below), whose sum is σ = 41849338033440. Its totient is φ = 10284563942400.

The previous prime is 22220010212011. The next prime is 22220010212041. The reversal of 22220010212012 is 21021201002222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (22220010212011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94701962 + ... + 94936302.

It is an arithmetic number, because the mean of its divisors is an integer number (871861209030).

Almost surely, 2^{22220010212012} is an apocalyptic number.

It is an amenable number.

22220010212012 is a deficient number, since it is larger than the sum of its proper divisors (19629327821428).

22220010212012 is a wasteful number, since it uses less digits than its factorization.

22220010212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257282 (or 257280 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22220010212012 its reverse (21021201002222), we get a palindrome (43241211214234).

The spelling of 22220010212012 in words is "twenty-two trillion, two hundred twenty billion, ten million, two hundred twelve thousand, twelve".