1012202220100 has 36 divisors (see below), whose sum is σ = 2216630023300. Its totient is φ = 401166380160.

The previous prime is 1012202220097. The next prime is 1012202220167. The reversal of 1012202220100 is 10222022101.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 51911976964 + 960290243136 = 227842^2 + 979944^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46420395 + ... + 46442194.

Almost surely, 2^{1012202220100} is an apocalyptic number.

1012202220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012202220100 is an abundant number, since it is smaller than the sum of its proper divisors (1204427803200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012202220100 is a wasteful number, since it uses less digits than its factorization.

1012202220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92862712 (or 92862705 counting only the distinct ones).

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

Adding to 1012202220100 its reverse (10222022101), we get a palindrome (1022424242201).

The spelling of 1012202220100 in words is "one trillion, twelve billion, two hundred two million, two hundred twenty thousand, one hundred".