1012212001222 has 8 divisors (see below), whose sum is σ = 1518331307400. Its totient is φ = 506101565424.

The previous prime is 1012212001193. The next prime is 1012212001223. The reversal of 1012212001222 is 2221002122101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1012212001222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012212001196 and 1012212001205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012212001223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924572 + ... + 2393407.

It is an arithmetic number, because the mean of its divisors is an integer number (189791413425).

Almost surely, 2^{1012212001222} is an apocalyptic number.

1012212001222 is a deficient number, since it is larger than the sum of its proper divisors (506119306178).

1012212001222 is a wasteful number, since it uses less digits than its factorization.

1012212001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4435190.

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

Adding to 1012212001222 its reverse (2221002122101), we get a palindrome (3233214123323).

The spelling of 1012212001222 in words is "one trillion, twelve billion, two hundred twelve million, one thousand, two hundred twenty-two".