1012212122210 has 8 divisors (see below), whose sum is σ = 1821981819996. Its totient is φ = 404884848880.

The previous prime is 1012212122203. The next prime is 1012212122213. The reversal of 1012212122210 is 122212122101.

It can be written as a sum of positive squares in 2 ways, for example, as 1007038341169 + 5173781041 = 1003513^2 + 71929^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1012212122213) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 50610606101 + ... + 50610606120.

Almost surely, 2^{1012212122210} is an apocalyptic number.

1012212122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012212122210 is a deficient number, since it is larger than the sum of its proper divisors (809769697786).

1012212122210 is a wasteful number, since it uses less digits than its factorization.

1012212122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101221212228.

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

Adding to 1012212122210 its reverse (122212122101), we get a palindrome (1134424244311).

The spelling of 1012212122210 in words is "one trillion, twelve billion, two hundred twelve million, one hundred twenty-two thousand, two hundred ten".