1012201201222 has 4 divisors (see below), whose sum is σ = 1518301801836. Its totient is φ = 506100600610.

The previous prime is 1012201201157. The next prime is 1012201201223. The reversal of 1012201201222 is 2221021022101.

It is a happy number.

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 = 1012201201196 and 1012201201205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012201201223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253050300304 + ... + 253050300307.

It is an arithmetic number, because the mean of its divisors is an integer number (379575450459).

Almost surely, 2^{1012201201222} is an apocalyptic number.

1012201201222 is a deficient number, since it is larger than the sum of its proper divisors (506100600614).

1012201201222 is an equidigital number, since it uses as much as digits as its factorization.

1012201201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506100600613.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1012201201222 its reverse (2221021022101), we get a palindrome (3233222223323).

The spelling of 1012201201222 in words is "one trillion, twelve billion, two hundred one million, two hundred one thousand, two hundred twenty-two".