1012402105222 has 4 divisors (see below), whose sum is σ = 1518603157836. Its totient is φ = 506201052610.

The previous prime is 1012402105163. The next prime is 1012402105243. The reversal of 1012402105222 is 2225012042101.

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

It is a junction number, because it is equal to n+sod(n) for n = 1012402105193 and 1012402105202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253100526304 + ... + 253100526307.

It is an arithmetic number, because the mean of its divisors is an integer number (379650789459).

Almost surely, 2^{1012402105222} is an apocalyptic number.

1012402105222 is a deficient number, since it is larger than the sum of its proper divisors (506201052614).

1012402105222 is an equidigital number, since it uses as much as digits as its factorization.

1012402105222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506201052613.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 1012402105222 its reverse (2225012042101), we get a palindrome (3237414147323).

The spelling of 1012402105222 in words is "one trillion, twelve billion, four hundred two million, one hundred five thousand, two hundred twenty-two".