10012212220212 has 36 divisors (see below), whose sum is σ = 25992665061636. Its totient is φ = 3247203962880.

The previous prime is 10012212220211. The next prime is 10012212220217. The reversal of 10012212220212 is 21202221221001.

It is a happy number.

10012212220212 is a `hidden beast` number, since 10 + 0 + 1 + 221 + 2 + 220 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5506925795856 + 4505286424356 = 2346684^2 + 2122566^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012212220211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3758336589 + ... + 3758339252.

Almost surely, 2^{10012212220212} is an apocalyptic number.

10012212220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10012212220212 is an abundant number, since it is smaller than the sum of its proper divisors (15980452841424).

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

10012212220212 is a wasteful number, since it uses less digits than its factorization.

10012212220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7516675888 (or 7516675883 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10012212220212 its reverse (21202221221001), we get a palindrome (31214433441213).

The spelling of 10012212220212 in words is "ten trillion, twelve billion, two hundred twelve million, two hundred twenty thousand, two hundred twelve".