102012001222 has 4 divisors (see below), whose sum is σ = 153018001836. Its totient is φ = 51006000610.

The previous prime is 102012001207. The next prime is 102012001253. The reversal of 102012001222 is 222100210201.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25503000304 + ... + 25503000307.

It is an arithmetic number, because the mean of its divisors is an integer number (38254500459).

Almost surely, 2^102012001222 is an apocalyptic number.

102012001222 is a deficient number, since it is larger than the sum of its proper divisors (51006000614).

102012001222 is an equidigital number, since it uses as much as digits as its factorization.

102012001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51006000613.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102012001222 its reverse (222100210201), we get a palindrome (324112211423).

The spelling of 102012001222 in words is "one hundred two billion, twelve million, one thousand, two hundred twenty-two".