1012222212102 has 24 divisors (see below), whose sum is σ = 2194055604936. Its totient is φ = 337267791936.

The previous prime is 1012222212101. The next prime is 1012222212103. The reversal of 1012222212102 is 2012122222101.

It is a happy number.

1012222212102 is a `hidden beast` number, since 10 + 1 + 222 + 221 + 210 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1012222212101) and next prime (1012222212103).

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 (1012222212101) 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, 11589628 + ... + 11676639.

It is an arithmetic number, because the mean of its divisors is an integer number (91418983539).

Almost surely, 2^{1012222212102} is an apocalyptic number.

1012222212102 is an abundant number, since it is smaller than the sum of its proper divisors (1181833392834).

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

1012222212102 is a wasteful number, since it uses less digits than its factorization.

1012222212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23268692 (or 23268689 counting only the distinct ones).

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

Adding to 1012222212102 its reverse (2012122222101), we get a palindrome (3024344434203).

Subtracting 1012222212102 from its reverse (2012122222101), we obtain a palindrome (999900009999).

The spelling of 1012222212102 in words is "one trillion, twelve billion, two hundred twenty-two million, two hundred twelve thousand, one hundred two".