1012112221202 has 4 divisors (see below), whose sum is σ = 1518168331806. Its totient is φ = 506056110600.

The previous prime is 1012112221129. The next prime is 1012112221207. The reversal of 1012112221202 is 2021222112101.

1012112221202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 584107104361 + 428005116841 = 764269^2 + 654221^2 .

It is a super-2 number, since 2×1012112221202² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012112221207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253028055299 + ... + 253028055302.

Almost surely, 2^{1012112221202} is an apocalyptic number.

1012112221202 is a deficient number, since it is larger than the sum of its proper divisors (506056110604).

1012112221202 is an equidigital number, since it uses as much as digits as its factorization.

1012112221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506056110603.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1012112221202 its reverse (2021222112101), we get a palindrome (3033334333303).

The spelling of 1012112221202 in words is "one trillion, twelve billion, one hundred twelve million, two hundred twenty-one thousand, two hundred two".